Drag Specialties

JT Sprocket, RR 42T, Steel, pitch 530, Rear, Kawasaki 90-06, Suzuki 96-07

• Computer-designed to achieve ultimate strength at minimum weight
• JT combines leading-edge technology with top materials to produce the ultimate quality sprocket range with unbeatable value
• Every sprocket meets or exceeds the highest possible quality standards set for the motorcycle industry
• Sprockets are heat-treated and bead-blasted to reduce material surface tension
• Front sprockets made with C45 steel and SCM415 chromoly steel alloy; rear sprockets made with top-quality-grade C45 high-carbon steel

NOTE: When installing sprockets which differ from OEM sizes, check for proper clearances before operating.

JT Sprocket, RR 40T, Steel, pitch 530, Rear, Kawasaki 90-06, Suzuki 96-07

• Computer-designed to achieve ultimate strength at minimum weight
• JT combines leading-edge technology with top materials to produce the ultimate quality sprocket range with unbeatable value
• Every sprocket meets or exceeds the highest possible quality standards set for the motorcycle industry
• Sprockets are heat-treated and bead-blasted to reduce material surface tension
• Front sprockets made with C45 steel and SCM415 chromoly steel alloy; rear sprockets made with top-quality-grade C45 high-carbon steel

NOTE: When installing sprockets which differ from OEM sizes, check for proper clearances before operating.

JT Sprocket, RR 46T, Steel, pitch 525, Rear, Kawasaki 95-03, Suzuki 97-00

• Computer-designed to achieve ultimate strength at minimum weight
• JT combines leading-edge technology with top materials to produce the ultimate quality sprocket range with unbeatable value
• Every sprocket meets or exceeds the highest possible quality standards set for the motorcycle industry
• Sprockets are heat-treated and bead-blasted to reduce material surface tension
• Front sprockets made with C45 steel and SCM415 chromoly steel alloy; rear sprockets made with top-quality-grade C45 high-carbon steel

NOTE: When installing sprockets which differ from OEM sizes, check for proper clearances before operating.

JT Sprocket, RR 38T, Steel, pitch 530, Rear, Kawasaki 90-06, Suzuki 96-07

• Computer-designed to achieve ultimate strength at minimum weight
• JT combines leading-edge technology with top materials to produce the ultimate quality sprocket range with unbeatable value
• Every sprocket meets or exceeds the highest possible quality standards set for the motorcycle industry
• Sprockets are heat-treated and bead-blasted to reduce material surface tension
• Front sprockets made with C45 steel and SCM415 chromoly steel alloy; rear sprockets made with top-quality-grade C45 high-carbon steel

NOTE: When installing sprockets which differ from OEM sizes, check for proper clearances before operating.

JT Sprocket, RR 42T, Steel, pitch 430, Rear, Kawasaki 76-05

• Computer-designed to achieve ultimate strength at minimum weight
• JT combines leading-edge technology with top materials to produce the ultimate quality sprocket range with unbeatable value
• Every sprocket meets or exceeds the highest possible quality standards set for the motorcycle industry
• Sprockets are heat-treated and bead-blasted to reduce material surface tension
• Front sprockets made with C45 steel and SCM415 chromoly steel alloy; rear sprockets made with top-quality-grade C45 high-carbon steel

NOTE: When installing sprockets which differ from OEM sizes, check for proper clearances before operating.

JT Sprocket, RR 44T, Steel, pitch 530, Rear, Kawasaki 76-05

• Computer-designed to achieve ultimate strength at minimum weight
• JT combines leading-edge technology with top materials to produce the ultimate quality sprocket range with unbeatable value
• Every sprocket meets or exceeds the highest possible quality standards set for the motorcycle industry
• Sprockets are heat-treated and bead-blasted to reduce material surface tension
• Front sprockets made with C45 steel and SCM415 chromoly steel alloy; rear sprockets made with top-quality-grade C45 high-carbon steel

NOTE: When installing sprockets which differ from OEM sizes, check for proper clearances before operating.

JT Sprocket, RR 43T, Steel, pitch 520, Rear, Kawasaki 87-15

• Computer designed to achieve ultimate strength at minimum weight
• JT combines leading-edge technology with top materials to produce the ultimate quality sprocket range with unbeatable value
• Every sprocket meets or exceeds the highest possible quality standards
• Sprockets are heat-treated and beadblasted to reduce material surface tension
• Front sprockets made with top-quality Japanese C45 high carbon steel and SCM415 chromoly steel alloy
• Steel rear sprockets made with top-quality Japanese C45 high carbon steel
• Aluminum rear sprockets are made with high-strength Austrian 7075 T-6 anodized aluminum
• JT aluminum sprockets are about 30% lighter than a comparable steel equivalent, which reduces un-sprung rotating weight and improves performance
• Lightweight front sprockets available for some applications

NOTE: When installing sprockets that differ from OEM sizes, check for proper clearances before operating.

JT Sprocket, RR 41T, Steel, pitch 530, Rear, Kawasaki 76-05

• Computer-designed to achieve ultimate strength at minimum weight
• JT combines leading-edge technology with top materials to produce the ultimate quality sprocket range with unbeatable value
• Every sprocket meets or exceeds the highest possible quality standards set for the motorcycle industry
• Sprockets are heat-treated and bead-blasted to reduce material surface tension
• Front sprockets made with C45 steel and SCM415 chromoly steel alloy; rear sprockets made with top-quality-grade C45 high-carbon steel

NOTE: When installing sprockets which differ from OEM sizes, check for proper clearances before operating.

JT Sprocket, RR 42T, Steel, pitch 520, Rear, Kawasaki 87-15

• Computer designed to achieve ultimate strength at minimum weight
• JT combines leading-edge technology with top materials to produce the ultimate quality sprocket range with unbeatable value
• Every sprocket meets or exceeds the highest possible quality standards
• Sprockets are heat-treated and beadblasted to reduce material surface tension
• Front sprockets made with top-quality Japanese C45 high carbon steel and SCM415 chromoly steel alloy
• Steel rear sprockets made with top-quality Japanese C45 high carbon steel
• Aluminum rear sprockets are made with high-strength Austrian 7075 T-6 anodized aluminum
• JT aluminum sprockets are about 30% lighter than a comparable steel equivalent, which reduces un-sprung rotating weight and improves performance
• Lightweight front sprockets available for some applications

NOTE: When installing sprockets that differ from OEM sizes, check for proper clearances before operating.

JT Sprocket, RR 40T, Steel, pitch 530, Rear, Kawasaki 76-05

• Computer-designed to achieve ultimate strength at minimum weight
• JT combines leading-edge technology with top materials to produce the ultimate quality sprocket range with unbeatable value
• Every sprocket meets or exceeds the highest possible quality standards set for the motorcycle industry
• Sprockets are heat-treated and bead-blasted to reduce material surface tension
• Front sprockets made with C45 steel and SCM415 chromoly steel alloy; rear sprockets made with top-quality-grade C45 high-carbon steel

NOTE: When installing sprockets which differ from OEM sizes, check for proper clearances before operating.

JT Sprocket, RR 44T, Steel, pitch 520, Rear, Kawasaki 86-09, Suzuki 09-11

• Computer-designed to achieve ultimate strength at minimum weight
• JT combines leading-edge technology with top materials to produce the ultimate quality sprocket range with unbeatable value
• Every sprocket meets or exceeds the highest possible quality standards set for the motorcycle industry
• Sprockets are heat-treated and bead-blasted to reduce material surface tension
• Front sprockets made with C45 steel and SCM415 chromoly steel alloy; rear sprockets made with top-quality-grade C45 high-carbon steel

NOTE: When installing sprockets which differ from OEM sizes, check for proper clearances before operating.

JT Sprocket, RR 41T, Steel, pitch 520, Rear, Kawasaki 86-09, Suzuki 09-11

• Computer-designed to achieve ultimate strength at minimum weight
• JT combines leading-edge technology with top materials to produce the ultimate quality sprocket range with unbeatable value
• Every sprocket meets or exceeds the highest possible quality standards set for the motorcycle industry
• Sprockets are heat-treated and bead-blasted to reduce material surface tension
• Front sprockets made with C45 steel and SCM415 chromoly steel alloy; rear sprockets made with top-quality-grade C45 high-carbon steel

NOTE: When installing sprockets which differ from OEM sizes, check for proper clearances before operating.

JT Sprocket, RR 44T, Steel, pitch 530, Rear, Kawasaki 85-97, Suzuki 09-11, Yamaha 2002

• Computer-designed to achieve ultimate strength at minimum weight
• JT combines leading-edge technology with top materials to produce the ultimate quality sprocket range with unbeatable value
• Every sprocket meets or exceeds the highest possible quality standards set for the motorcycle industry
• Sprockets are heat-treated and bead-blasted to reduce material surface tension
• Front sprockets made with C45 steel and SCM415 chromoly steel alloy; rear sprockets made with top-quality-grade C45 high-carbon steel

NOTE: When installing sprockets which differ from OEM sizes, check for proper clearances before operating.

JT Sprocket, RR 35T, Steel, pitch 630, Rear, Kawasaki 73-77

• Computer-designed to achieve ultimate strength at minimum weight
• JT combines leading-edge technology with top materials to produce the ultimate quality sprocket range with unbeatable value
• Every sprocket meets or exceeds the highest possible quality standards set for the motorcycle industry
• Sprockets are heat-treated and bead-blasted to reduce material surface tension
• Front sprockets made with C45 steel and SCM415 chromoly steel alloy; rear sprockets made with top-quality-grade C45 high-carbon steel

NOTE: When installing sprockets which differ from OEM sizes, check for proper clearances before operating.

JT Sprocket, RR 43T, Steel, pitch 530, Rear, Kawasaki 85-97, Suzuki 09-11, Yamaha 2002

• Computer-designed to achieve ultimate strength at minimum weight
• JT combines leading-edge technology with top materials to produce the ultimate quality sprocket range with unbeatable value
• Every sprocket meets or exceeds the highest possible quality standards set for the motorcycle industry
• Sprockets are heat-treated and bead-blasted to reduce material surface tension
• Front sprockets made with C45 steel and SCM415 chromoly steel alloy; rear sprockets made with top-quality-grade C45 high-carbon steel

NOTE: When installing sprockets which differ from OEM sizes, check for proper clearances before operating.

JT Sprocket, RR 39T, Steel, pitch 530, Rear, Kawasaki 85-97, Suzuki 09-11, Yamaha 2002

• Computer-designed to achieve ultimate strength at minimum weight
• JT combines leading-edge technology with top materials to produce the ultimate quality sprocket range with unbeatable value
• Every sprocket meets or exceeds the highest possible quality standards set for the motorcycle industry
• Sprockets are heat-treated and bead-blasted to reduce material surface tension
• Front sprockets made with C45 steel and SCM415 chromoly steel alloy; rear sprockets made with top-quality-grade C45 high-carbon steel

NOTE: When installing sprockets which differ from OEM sizes, check for proper clearances before operating.

JT Sprocket, RR 42T, Steel, pitch 520, Rear, Kawasaki 84-10

• Computer designed to achieve ultimate strength at minimum weight
• JT combines leading-edge technology with top materials to produce the ultimate quality sprocket range with unbeatable value
• Every sprocket meets or exceeds the highest possible quality standards
• Sprockets are heat-treated and beadblasted to reduce material surface tension
• Front sprockets are made with top-quality Japanese C45 high carbon steel and SCM415 chromoly steel alloy
• Steel rear sprockets are made with top-quality Japanese C45 high carbon steel
• Aluminum rear sprockets are made with high strength Austrian 7075 T-6 anodized aluminum
• JT aluminum sprockets are about 30% lighter than a comparable steel equivalent, which reduces un-sprung rotating weight and improves performance
• Lightweight front sprockets available for some applications

NOTE: When installing sprockets which differ from the OEM size, check for proper clearances before operating.

JT Sprocket, RR 41T, Steel, pitch 530, Rear, 09-10, Honda 91-08

• Computer-designed to achieve ultimate strength at minimum weight
• JT combines leading-edge technology with top materials to produce the ultimate quality sprocket range with unbeatable value
• Every sprocket meets or exceeds the highest possible quality standards set for the motorcycle industry
• Sprockets are heat-treated and bead-blasted to reduce material surface tension
• Front sprockets made with C45 steel and SCM415 chromoly steel alloy; rear sprockets made with top-quality-grade C45 high-carbon steel

NOTE: When installing sprockets which differ from OEM sizes, check for proper clearances before operating.

JT Sprocket, RR 30T, Steel, pitch 520, Rear, Honda 82-08

• Computer-designed to achieve ultimate strength at minimum weight
• JT combines leading-edge technology with top materials to produce the ultimate quality sprocket range with unbeatable value
• Every sprocket meets or exceeds the highest possible quality standards set for the motorcycle industry
• Sprockets are heat-treated and bead-blasted to reduce material surface tension
• Front sprockets made with C45 steel and SCM415 chromoly steel alloy; rear sprockets made with top-quality-grade C45 high-carbon steel

NOTE: When installing sprockets which differ from OEM sizes, check for proper clearances before operating.

JT Sprocket, RR 44T, Steel, pitch 530, Rear, 09-10, Honda 91-08

• Computer-designed to achieve ultimate strength at minimum weight
• JT combines leading-edge technology with top materials to produce the ultimate quality sprocket range with unbeatable value
• Every sprocket meets or exceeds the highest possible quality standards set for the motorcycle industry
• Sprockets are heat-treated and bead-blasted to reduce material surface tension
• Front sprockets made with C45 steel and SCM415 chromoly steel alloy; rear sprockets made with top-quality-grade C45 high-carbon steel

NOTE: When installing sprockets which differ from OEM sizes, check for proper clearances before operating.

JT Sprocket, RR 48T, Steel, pitch 530, Rear, Aprilia 98-02, Honda 69-82

• Computer-designed to achieve ultimate strength at minimum weight
• JT combines leading-edge technology with top materials to produce the ultimate quality sprocket range with unbeatable value
• Every sprocket meets or exceeds the highest possible quality standards set for the motorcycle industry
• Sprockets are heat-treated and bead-blasted to reduce material surface tension
• Front sprockets made with C45 steel and SCM415 chromoly steel alloy; rear sprockets made with top-quality-grade C45 high-carbon steel

NOTE: When installing sprockets which differ from OEM sizes, check for proper clearances before operating.

JT Sprocket, RR 43T, Steel, pitch 530, Rear, Aprilia 98-02, Honda 69-82

• Computer-designed to achieve ultimate strength at minimum weight
• JT combines leading-edge technology with top materials to produce the ultimate quality sprocket range with unbeatable value
• Every sprocket meets or exceeds the highest possible quality standards set for the motorcycle industry
• Sprockets are heat-treated and bead-blasted to reduce material surface tension
• Front sprockets made with C45 steel and SCM415 chromoly steel alloy; rear sprockets made with top-quality-grade C45 high-carbon steel

NOTE: When installing sprockets which differ from OEM sizes, check for proper clearances before operating.

JT Sprocket, RR 33T, Steel, pitch 520, Rear, Honda 82-08

• Computer-designed to achieve ultimate strength at minimum weight
• JT combines leading-edge technology with top materials to produce the ultimate quality sprocket range with unbeatable value
• Every sprocket meets or exceeds the highest possible quality standards set for the motorcycle industry
• Sprockets are heat-treated and bead-blasted to reduce material surface tension
• Front sprockets made with C45 steel and SCM415 chromoly steel alloy; rear sprockets made with top-quality-grade C45 high-carbon steel

NOTE: When installing sprockets which differ from OEM sizes, check for proper clearances before operating.

JT Sprocket, RR 39T, Steel, pitch 530, Rear, Aprilia 98-02, Honda 69-82

• Computer-designed to achieve ultimate strength at minimum weight
• JT combines leading-edge technology with top materials to produce the ultimate quality sprocket range with unbeatable value
• Every sprocket meets or exceeds the highest possible quality standards set for the motorcycle industry
• Sprockets are heat-treated and bead-blasted to reduce material surface tension
• Front sprockets made with C45 steel and SCM415 chromoly steel alloy; rear sprockets made with top-quality-grade C45 high-carbon steel

NOTE: When installing sprockets which differ from OEM sizes, check for proper clearances before operating.

JT Sprocket, RR 40T, Steel, pitch 530, Rear, Aprilia 98-02, Honda 69-82

• Computer-designed to achieve ultimate strength at minimum weight
• JT combines leading-edge technology with top materials to produce the ultimate quality sprocket range with unbeatable value
• Every sprocket meets or exceeds the highest possible quality standards set for the motorcycle industry
• Sprockets are heat-treated and bead-blasted to reduce material surface tension
• Front sprockets made with C45 steel and SCM415 chromoly steel alloy; rear sprockets made with top-quality-grade C45 high-carbon steel

1998-2002	Aprilia	RS 250
1982	Honda	CB650SC Nighthawk
1980-1982	Honda	CB750C Custom
1980-1981	Honda	CB650C Custom
1979-1982	Honda	CB650
1979	Honda	CB750L
1976-1978	Honda	CB750A Automatic
1975-1976	Honda	CB750F Super Sport
1969-1982	Honda	CB750K

NOTE: When installing sprockets which differ from OEM sizes, check for proper clearances before operating.

JT Sprocket, RR 37T, Steel, pitch 50, Rear, Aprilia 98-02, Honda 72-73

• Computer-designed to achieve ultimate strength at minimum weight
• JT combines leading-edge technology with top materials to produce the ultimate quality sprocket range with unbeatable value
• Every sprocket meets or exceeds the highest possible quality standards set for the motorcycle industry
• Sprockets are heat-treated and bead-blasted to reduce material surface tension
• Front sprockets made with C45 steel and SCM415 chromoly steel alloy; rear sprockets made with top-quality-grade C45 high-carbon steel

NOTE: When installing sprockets which differ from OEM sizes, check for proper clearances before operating.

JT Sprocket, RR 32T, Steel, pitch 520, Rear, Honda 82-08

• Computer-designed to achieve ultimate strength at minimum weight
• JT combines leading-edge technology with top materials to produce the ultimate quality sprocket range with unbeatable value
• Every sprocket meets or exceeds the highest possible quality standards set for the motorcycle industry
• Sprockets are heat-treated and bead-blasted to reduce material surface tension
• Front sprockets made with C45 steel and SCM415 chromoly steel alloy; rear sprockets made with top-quality-grade C45 high-carbon steel

NOTE: When installing sprockets which differ from OEM sizes, check for proper clearances before operating.

JT Sprocket, RR 40T, Steel, pitch 520, Rear, Honda 84-96

• Computer designed to achieve ultimate strength at minimum weight
• JT combines leading-edge technology with top materials to produce the ultimate quality sprocket range with unbeatable value
• Every sprocket meets or exceeds the highest possible quality standards
• Sprockets are heat-treated and beadblasted to reduce material surface tension
• Front sprockets made with top-quality Japanese C45 high carbon steel and SCM415 chromoly steel alloy
• Steel rear sprockets made with top-quality Japanese C45 high carbon steel
• Aluminum rear sprockets are made with high-strength Austrian 7075 T-6 anodized aluminum
• JT aluminum sprockets are about 30% lighter than a comparable steel equivalent, which reduces un-sprung rotating weight and improves performance
• Lightweight front sprockets available for some applications

NOTE: When installing sprockets that differ from OEM sizes, check for proper clearances before operating.

JT Sprocket, RR 46T, Steel, pitch 420, Rear, Honda 69-87

• Computer designed to achieve ultimate strength at minimum weight
• JT combines leading-edge technology with top materials to produce the ultimate quality sprocket range with unbeatable value
• Every sprocket meets or exceeds the highest possible quality standards
• Sprockets are heat-treated and beadblasted to reduce material surface tension
• Front sprockets are made with top-quality Japanese C45 high carbon steel and SCM415 chromoly steel alloy
• Steel rear sprockets are made with top-quality Japanese C45 high carbon steel
• Aluminum rear sprockets are made with high strength Austrian 7075 T-6 anodized aluminum
• JT aluminum sprockets are about 30% lighter than a comparable steel equivalent, which reduces un-sprung rotating weight and improves performance
• Lightweight front sprockets available for some applications

NOTE: When installing sprockets which differ from the OEM size, check for proper clearances before operating.

JT Sprocket, RR 44T, Steel, pitch 420, Rear, Honda 69-87

• Computer designed to achieve ultimate strength at minimum weight
• JT combines leading-edge technology with top materials to produce the ultimate quality sprocket range with unbeatable value
• Every sprocket meets or exceeds the highest possible quality standards
• Sprockets are heat-treated and beadblasted to reduce material surface tension
• Front sprockets are made with top-quality Japanese C45 high carbon steel and SCM415 chromoly steel alloy
• Steel rear sprockets are made with top-quality Japanese C45 high carbon steel
• Aluminum rear sprockets are made with high strength Austrian 7075 T-6 anodized aluminum
• JT aluminum sprockets are about 30% lighter than a comparable steel equivalent, which reduces un-sprung rotating weight and improves performance
• Lightweight front sprockets available for some applications

NOTE: When installing sprockets which differ from the OEM size, check for proper clearances before operating.

JT Sprocket, RR 36T, Steel, pitch 420, Rear, Honda 69-87

• Computer designed to achieve ultimate strength at minimum weight
• JT combines leading-edge technology with top materials to produce the ultimate quality sprocket range with unbeatable value
• Every sprocket meets or exceeds the highest possible quality standards
• Sprockets are heat-treated and beadblasted to reduce material surface tension
• Front sprockets are made with top-quality Japanese C45 high carbon steel and SCM415 chromoly steel alloy
• Steel rear sprockets are made with top-quality Japanese C45 high carbon steel
• Aluminum rear sprockets are made with high strength Austrian 7075 T-6 anodized aluminum
• JT aluminum sprockets are about 30% lighter than a comparable steel equivalent, which reduces un-sprung rotating weight and improves performance
• Lightweight front sprockets available for some applications

NOTE: When installing sprockets which differ from the OEM size, check for proper clearances before operating.

JT Sprocket, RR 38T, Steel, pitch 420, Rear, Honda 69-87

• Computer designed to achieve ultimate strength at minimum weight
• JT combines leading-edge technology with top materials to produce the ultimate quality sprocket range with unbeatable value
• Every sprocket meets or exceeds the highest possible quality standards
• Sprockets are heat-treated and beadblasted to reduce material surface tension
• Front sprockets are made with top-quality Japanese C45 high carbon steel and SCM415 chromoly steel alloy
• Steel rear sprockets are made with top-quality Japanese C45 high carbon steel
• Aluminum rear sprockets are made with high strength Austrian 7075 T-6 anodized aluminum
• JT aluminum sprockets are about 30% lighter than a comparable steel equivalent, which reduces un-sprung rotating weight and improves performance
• Lightweight front sprockets available for some applications

NOTE: When installing sprockets which differ from the OEM size, check for proper clearances before operating.

JT Sprocket, RR 37T, Steel, pitch 420, Rear, Honda 69-87

• Computer designed to achieve ultimate strength at minimum weight
• JT combines leading-edge technology with top materials to produce the ultimate quality sprocket range with unbeatable value
• Every sprocket meets or exceeds the highest possible quality standards
• Sprockets are heat-treated and beadblasted to reduce material surface tension
• Front sprockets are made with top-quality Japanese C45 high carbon steel and SCM415 chromoly steel alloy
• Steel rear sprockets are made with top-quality Japanese C45 high carbon steel
• Aluminum rear sprockets are made with high strength Austrian 7075 T-6 anodized aluminum
• JT aluminum sprockets are about 30% lighter than a comparable steel equivalent, which reduces un-sprung rotating weight and improves performance
• Lightweight front sprockets available for some applications

NOTE: When installing sprockets which differ from the OEM size, check for proper clearances before operating.

JT Sprocket, RR 35T, Steel, pitch 530, Rear, Aprilia 2004, Honda 78-83

• Computer-designed to achieve ultimate strength at minimum weight
• JT combines leading-edge technology with top materials to produce the ultimate quality sprocket range with unbeatable value
• Every sprocket meets or exceeds the highest possible quality standards set for the motorcycle industry
• Sprockets are heat-treated and bead-blasted to reduce material surface tension
• Front sprockets made with C45 steel and SCM415 chromoly steel alloy; rear sprockets made with top-quality-grade C45 high-carbon steel

NOTE: When installing sprockets which differ from OEM sizes, check for proper clearances before operating.

JT Sprocket, RR 37T, Steel, pitch 530, Rear, Aprilia 2004, Honda 78-83

• Computer-designed to achieve ultimate strength at minimum weight
• JT combines leading-edge technology with top materials to produce the ultimate quality sprocket range with unbeatable value
• Every sprocket meets or exceeds the highest possible quality standards set for the motorcycle industry
• Sprockets are heat-treated and bead-blasted to reduce material surface tension
• Front sprockets made with C45 steel and SCM415 chromoly steel alloy; rear sprockets made with top-quality-grade C45 high-carbon steel

NOTE: When installing sprockets which differ from OEM sizes, check for proper clearances before operating.