New products

Cover fits 1973-1992 Big Twin with end oiling pinion shaft and bushings installed. Comes with mounting screws gasket and seal. 1973-1984 FL 1976-1984 FX 1979-1992 FLT 1982-1992 FXR 1984-1992 FXST 1986-1992 FLST 1991-1992 FXD

WR connecting rod roller set includes 18 long and 36 short rollers. For use with WR cage set. 1936-1952 WR

Idler gear stud kit includes stud bushing and retaining ring. 1936-1952 EL 1941-1969 FL

Circuit breaker stud kit includes the cam chest circuit breaker shaft two bushings and a stud screw. 1959-1969 FL

Sifton kit includes idle shaft and one bushing. 1941-1969 FL

Breather hole sleeve with .100 wall thickness features a 1.250 outer diameter and is constructed of aluminum. 1936-1984 FL 1985-1999 FL

.002 roller bearing kit is genuine army surplus and is for use on pinion shafts of 45 models. Kit includes rollers and cages. 1937-1952 W 1937-1973 G

Sifton steel connecting rod bearing cage set includes 4 cages and standard size Torrington roller set. *NOTE: Are late style cages. 1929-1931 DL 1932-1936 WL 1937-1952 WL 1937-1973 G

Special 6° tapered sprocket shaft is machine and hardened to factory specifications. Shaft is designed to fit late model type flywheels with a 6° taper. Does not include nut and key. For use in S&S SE or SL flywheels and V-Twin V-Twin #10-1602 Replica 4.250 Stroke Flywheel Set or V-Twin #10-1635 Sifton 4.250 Stroke Flywheel Set. 0-Replacement application

Raw cast steel rock arm support set. Must be shaped to fit existing Knucklehead. *NOTE: Must be welded on. 1941-1947 FL 1941-1947 EL

Knucklehead Rocker Box Mount Tab Replacements include a set of two tabs made in a single mold casting.The tabs must be cut to size one long and one short and must be welded on. *NOTE: Holes are not drilled. After welding machining will be required to level mounting surface. 1936-1947 EL 1941-1947 FL

Engine case right bearing washers. 1940-1954 FL 1940-1948 UL

.110 thick flywheel thrust washers constructed of steel. Sold as a pack of 5. 1930-1934 VL 1936-1952 EL 1937-1948 UL 1941-1954 FL

Includes new rods crank pin nuts cages and standard roller fitted and assembled. Includes 1941-early 1981 type crank pin for use in Truett & Osborn flywheels Piston pin bushings are installed and honed for stock wirst pin. *NOTE: For use in Truett and Osborn flywheels only! 1936-1952 EL

Set is assembled with cast iron guides valve stem seals and nitrated valves Heads have a complete valve job for maximum flow horsepower and torque. Heads are single plug and are assembled with polished rocker boxes. Max lift .450. Sold as a pair. 1966-1977 FL 1971-1977 FX

Set is assembled with cast iron guides valve stem seals and nitrated valves. For use on 74 or 80 models with Shovelhead barrels Heads have a complete valve job for maximum flow horsepower and torque. Heads are single plug and are assembled with polished rocker boxes. Max lift .450. Sold as a pair. 1978-1984 FL 1978-1984 FX

Replica flywheel set with a 3.968 stroke features cast construction to accept OE style components for 74 engine. 1972-1978 FL 1972-1978 FX

Sifton 1-hole crank pin is made of 8620 steel with a heat treatment depth of .062 . You must align oil feed in flywheels with crank pin. OEM uses two different flywheels so hole location may differ this crank pin has the oil feed hole to fit the late flywheels. Order nut kit separately. 1937-1973 G 1937-1952 W

Case is a reproduction of the original 45 cubic inch left side case features a bare as cast aluminum finish. Case is blank without serial numbers. Will fit WL right side case. Cylinder base area and motor mounts are machined to stock height specifications no extra material to machine and will have to be matched to the right side for proper installation and fit. Must order inner primary threaded inserts case race bushing cylinder base studs and all related bolts separately. *NOTE: Case bushing is not included. 1936-1952 W 1936-1973 G

Sifton solid tappet set includes installed roller assembly. Adjuster screws are not included. 1930-1936 VL 1932-1936 WL 1937-1948 UL 1937-1952 WL 1949-1973 G 1954-1956 KH

Knucklehead engine case set includes case bushings line lapped for standard size rollers. Oil from top end returns through pushrod tubes. Does not return through cylinder base. Case accepts loose roller bearings on the sprocket and pinion shaft side. Case set is designed for replacement of the original cases. No serial numbers are provided with these case sets. A Bill of Sale will be issued for blank cases. Case sets do not include pinion and sprocket shaft races. Use 2 gaskets when mounting the oil pump body for proper clearance. **NOTE: Numeral 7 stamped on rear motor mount h
10-0985" Sifton tappet screw kit includes screws and nuts. Screws are 1-9/16 long with 9/32 x 32 TPI. 1941-1947 FL

Machined and ground to factory specifications. *NOTE: Outside is .040 oversize machine case to accept larger case bushings. Barrel spigot holes must be machined to match after installation of the left side case. 1940-1952 EL 1941-1954 FL

74 motor case for knucklehead motors accurately cast and machined. Features a natural cast finish and a blank number boss. Manufacturer's Bill of Sale available upon request. Case set is designed for replacement of the original cases. No serial numbers are provided with these case sets. A Bill of Sale will be issued for blank cases. Case sets do not include pinion and sprocket shaft races. Case is made in Germany by Motortechnic and features the original detail in the casing. *NOTE: Numeral 7 stamped on rear motor mount halves to denote 74 cubic inch. Builder may stamp these n
10-0948" Features built in seal flange to give added support for alternator rotor. 1941-1947 FL

For 61 Knucklehead motors accurately cast and machined by Motortechnic in Germany. Features a natural cast finish and a blank number boss. Manufacturer's Statement of Origin (MSO) available upon request. Case set is made of aluminum and designed for replacement of the original cases and will accommodate 61 and 74 flywheels. No serial numbers are provided with these case sets. A certificate of origin will be issued for blank cases. Case sets do not include pinion and sprocket shaft races. Must order engine case bolts separately. 1936-1938 EL

Rod cage and roller set includes 4 cages 18 long rollers and 36 short rollers. Set of four cages. 1936-1952 WR 1957-1980 XL

Left side engine case for aluminum electric start inner primary application on 1965 Panhead and 1966-69 Flat Side Shovelhead engines. Left hand case must be fit to existing right side case. Cylinder deck height must also be machined to match to original right side case. Case set line lapping required. Case may require clearancing for cast inner primary vent tube. Requires the use of case race cylinder base studs breather tube bearing assembly and drain plug and will accept Timken roller bearing assembly all available separately. Features a blank number boss. 1965-1969 FL

Left side engine case features a blank number boss. Left hand case must be fit to existing right side case. Number boss is blank. Will accept Timken roller bearing assembly not included. Cylinder dock height must be machined to match to original right side case. Cylinder base studs breather tube bearing assembly and drain plug all must be purchased separately. Case set required line lapping of the main case races. Order case race available separately. 1955-1964 FL

Tappet set is solid type for Panheads. Units are precision machined and feature drilled holes which allow for better lubrication on valve train. Set of four. Adjusters and lock nuts included. Lightning holes allow for better lubrication on the cast iron lifter blocks. 1948-1965 FL

Primary cam chain tensioner set includes left and right hydraulic chain tensioner assemblies for TC-88 models. 2007-2016 FLT 2007-2017 FLST 2007-2017 FXST 2007-2017 FXD

Tappet block set with white zinc finish features countersunk screw holes to accept tapered screws for mounting. Inner diameter for standard lifters must be honed to .731 +/- .0005. NOTE: Constructed cast iron with zinc plating. *NOTE: Tappet bores are undersized and must be sized by installer to proper diameter. 1953-1972 FL

Lightning cam chest kit is a 3 piece set with 3 gaskets. 1954-1969 FL

Lightning cam chest kit is a 3 piece set with 3 gaskets. 1948-1953 FL

Side valve replacement left side engine case features a blank number boss. NOTE: Left side case must be fitted to existing OE right side case. Cylinder base surfaces and motor mount surfaces must be milled to match before assembly. *NOTE: Left side cases accept standard case race. 1937-1948 UL

Cam chest idler gear stud kit. *NOTE: Does not include bushing. 1936-1952 EL 1941-1969 FL

Circuit breaker drive gear stud for 1936-1969 Big Twin models. Includes the circuit breaker right thread stud screw and retaining ring. 1936-1940 EL 1941-1969 FL