Hot Rods CBK0152 Stroker Bottom End Kit (+4mm, 691cc) engine-valve-train-tappets proprietary additive system reduces temperatures

proprietary additive system reduces temperatures and increases power output while keeping your engine running clean

Utilizes a special 7 series aluminum unlike any other rim on the market

2017 Honda CRF250X

Its universal fixing mechanism allows the head of the product to be placed in an upper or lower position

2006-2016 Harley Davidson FLHR Road King

Hot Rods CBK0152 Stroker Bottom End Kit (+4mm, 691cc) engine-valve-train-tappets proprietary additive system reduces temperaturesUses stock piston.. Hot Rods Bottom End kits include everything needed to complete crankshaft installation:. Stroker kit crankshafts increase length of stroke as listed depending on application; in some cases cylinder head must be modified, as noted. Hot Rods main bearings and seals kit (Main seals included when applicable). Complete engine gasket set includes all gaskets and seals for complete engine rebuild (Does not include water pump seal).