Engine

Head gaskets are made from aramid fiber-reinforced premium graphite material with a steel core, stainless steel fire ring and anti-stick coating Made in the U.S.A.. GASKETS HD 3.927" TC

Fits in stock chassis, no cutting or frame modifications necessary. B3 cylinder heads CNC-machined with two-bolt exhaust flanges. Super StockÖ T2 crankcases with reed breather valve three-piece flywheels. TC3 oil pump and cam plate. 10.5:1 Compression...

Replacement ring sets for S&S pistons only Rings come as sets for two pistons Made in the U.S.A.. RINGS PSTN 4.125" STD

Dual Spray technology evenly cools both intake and exhaust sides of pistons Revised spray locations for more effective cooling Creates a cooler engine with more power and better durability Made from strong, billet 6061 T6 aluminium Anodized in S&S...

Cast iron intake/exhaust guide Fits S&S Super Stock and stock Harley-Davidson cylinder heads Guide ID measures aprox. .309"/.310" with enough material left for proper clearancing Made in the U.S.A.. GUIDE VLV 84-04+.001

Made in the U.S.A.. S&S EXHAUST VALVE 1.605"

Replacement ring sets for S&S pistons only Rings come as sets for two pistons Made in the U.S.A.. RINGS PSTN 4.125" +.020

Replacement ring sets for S&S pistons only Rings come as sets for two pistons Made in the U.S.A.. RINGS PSTN 4.125"+.010

High-quality replacement Made in the U.S.A.. GUIDE LIFTER M8 MODELS

Kits include all required parts needed when servicing or changing gear- or chain-drive cams in a Twin Cam motor Made in the U.S.A.. INSTALL KIT 99-06 GEAR DR

Hard anodized black coating for maximum wear resistance Billet aluminum construction Stronger material eliminates distortion Improve tappet stability in high lift and high rpm situations An easy upgrade when changing tappets or cams Made in USA. GUIDE...

Replacement ring sets for S&S pistons only Rings come as sets for two pistons Made in the U.S.A.. RINGS +010 97/106"BB TC