Bottom End

2-stoke pistons include piston, rings, pin and clipsPiston made with high quality, permanent skirt coating to reduce friction and piston rock for quiet and improved performance4032 T6 Forged Aluminum AlloyGerman Engineered from Wossner?s own designs and...

Spacers are machined to a 32-micron, burr-free finish for extended seal lifeMade to fit the sprocket shaft oil sealEight-piece kit contains one of each of the following sizes: .336, .621, .516, .546, .574, .606, .636, .666Made in the U.S.A...

Each kit includes cam plate roller bearings, Koyo Torrington® full roller inner needle bearings, 12-point ARP® camshaft and crankshaft bolts, ARP® fastener moly paste and Loctite® compound and hardened washersGaskets include copper exhaust gaskets, cam...

Manufactured from 4340 steelCam drive sprockets replace the stock 34-tooth cam drive sprocket and include shimsCrankshaft cam drive is a 17-tooth sprocket that can be used with OEM cam drive sprocketMade in the U.S.A.

Two-stroke pistons are made from 4032 siliciumFour-stroke pistons are made from 2618 silicium - the same material used to produce Formula 1 pistonsBoth include 3% copper in materials for better heat resistanceAll pistons are forged using a precision...

Each kit includes cam plate roller bearings, Koyo Torrington® full roller inner needle bearings, 12-point ARP® camshaft and crankshaft bolts, ARP® fastener moly paste and Loctite® compound and hardened washersGaskets include copper exhaust gaskets, cam...

High-quality, lightweight connecting rodsMade with similar materials to the OEM component to ensure the same performanceSuperficial high-frequency treatment for higher resistance that reduces rotational and alternating stressesKits include connecting...

Heavy-duty OE replacement connecting rodsCertified 8620 AISI steel provides superior strengthCrankpins are manufactured from hot-rolled ASTM 4115 and case hardened to 58-62RcFeature the latest in caged needle roller bearing designs for high rpm...

Heavy-duty OE replacement connecting rodsCertified 8620 AISI steel provides superior strengthCrankpins are manufactured from hot-rolled ASTM 4115 and case hardened to 58-62RcFeature the latest in caged needle roller bearing designs for high rpm...

Heavy-duty OE replacement connecting rodsCertified 8620 AISI steel provides superior strengthCrankpins are manufactured from hot-rolled ASTM 4115 and case hardened to 58-62RcFeature the latest in caged needle roller bearing designs for high rpm...

Heavy-duty OE replacement connecting rodsCertified 8620 AISI steel provides superior strengthCrankpins are manufactured from hot-rolled ASTM 4115 and case hardened to 58-62RcFeature the latest in caged needle roller bearing designs for high rpm...

Heavy-duty OE replacement connecting rodsCertified 8620 AISI steel provides superior strengthCrankpins are manufactured from hot-rolled ASTM 4115 and case hardened to 58-62RcFeature the latest in caged needle roller bearing designs for high rpm...