classic Engine

Front cylinder fits Knucklehead 1941-1947 74 inch models. Features MC cast factory markings. Bore size finished with .025 clearance.FITMENT1941 / 1...

Panhead cylinder kit includes 74 inch cylinders fitted with standard cast pistons (8.5:1) and hastings standard FLH ring set. *NOTE: Oil feeds rock...

2022 New Production Replica 74 inch Knucklehead cylinder set with 5 fins and black finish features cast iron construction with original markings. P...

1936 Knucklehead rocker arm set is nickel plated and is for use with exposed rocker arms on 1936-1937 EL models only. Buttons are removeable. Remov...

Knucklehead lower valve collar spring set is raw oiled steel. Set is for use on Knucklehead valve guides. *NOTE: For use with upper collars.FITMENT...

Piston set with 3-5/16 inch bore is .005 oversized. Set includes hasting 3 piece ring set 2 wrist pins and 4 circlips. Pistons have a steel expan...

Knucklehead upper valve collar spring set is raw oiled steel. Set is for use on Knucklehead valve guides.FITMENT1936 / 1947 EL 1941 / 1947 FL ACC...

Sifton soft touch lifter set includes hydraulic lifters maxi axles and solid pushrods. FITMENT1966 / 1984 FL 1971 / 1984 FX ACCESSORY ITEMS16-1...

Replica 74 inch Knucklehead cylinder set with 5 fins and black finish features cast iron cast construction with original markings. Set is used for ...

Billet lower pushrod cover set features a natural alloy finish. Set fits Evolution models. FITMENT1948 / 1978 FL 1948 / 1978 FX ACCESSORY ITEMS1...

Solid tappet screw set includes 4 screws with lock nut. Set is for solid puhsrods on Panhead Knucklehead and Sportser. FITMENT1936 / 1940 EL 194...

Knucklehead .006 oversize valve guide features a cast iron construction as original with a ground outer diameter. *NOTE: The guide is the same fo...

Knucklehead .004 oversize valve guide features a cast iron construction as original with a ground outer diameter. *NOTE: The guide is the same fo...

Knucklehead .002 oversize valve guide features a cast iron construction as original with a ground outer diameter. *NOTE: The guide is the same fo...

Replica collar set for lower valve. Set features a inchthinner profile inch. Sold as a set of four.FITMENT1936 / 1940 EL 1941 / 1947 FL ACCESSOR...

Smooth type pushrod cover clip kit features a stainless steel construction without the lance for removal. Kit includes spring cups springs and co...

45 inch side valve piston pin with locks is the standard size replacement piston pin that features early style inchL inch locks. FITMENT0 / Cus...

Rear cylinder is stock height. FITMENT1966 / 1984 FL 1971 / 1984 FX 1979 / 1983 FLT 1982 / 1983 FXR ACCESSORY ITEMS11-051015-059911-152411-0283

Front cylinder is stock height. FITMENT1966 / 1984 FL 1971 / 1984 FX 1979 / 1968 FLT 1982 / 1983 FXR ACCESSORY ITEMS11-051015-059911-152411-0283

Rocker box set is the replica style cast construction with partial polished top and flat face surface. The remaining surfaces are cast. Accuratel...

Knucklehead rocker arm set. Sold as a set of 4.FITMENT1937 / 1940 EL 1941 / 1947 FL ACCESSORY ITEMS11-059811-120911-114311-1157

Pushrod cover cup set features a black finish with a chrome skull. Set of four.FITMENT1936 / 1940 EL 1941 / 1984 FL 1971 / 1984 FX 1984 / UP FXS...

3-13/64 inch stock stroke flywheel set is machined to accept XL 1957-1981 crank pin and connecting rod set. FITMENT1941 / 1952 W 1941 / 1973 G A...

45 inch WL short block includes a right and left engine case assembled with the flywheel installed. Flywheels are installed in case! *NOTE: Cam cas...