Engine

• Top engine builders demand quality fasteners! Secure your engine with complete confidence.• Feuling® engine fastener kits for Twin Cam® engines• Quality 12-point heat treated 8740 chrome moly steel bolts with black oxide finish• Feature precision rolled threads for optimum engagement, to prevent galling and promote...

HELP PREVENT MILWAUKEE EIGHT CYLINDER HEAD CRACKING!Use Feuling/ARP rocker arm shaft studs and nuts to help relieve stress on the Milwaukee Eight cylinder heads. The factory and SE cylinder heads have an extremely weak link with the rocker arm shaft standoffs. By using a...

HELP PREVENT MILWAUKEE EIGHT CYLINDER HEAD CRACKING!Use Feuling/ARP rocker arm shaft studs and nuts to help relieve stress on the Milwaukee Eight cylinder heads. The factory and SE cylinder heads have an extremely weak link with the rocker arm shaft standoffs. By using a...

Milwaukee Eight CYLINDER STUD KIT7/16 X 6.250 STUDS W/DOWEL RING - CHROME MOLY, QTY. 8• The strongest studs & bolts available!• Top engine builders demand quality fasteners! Secure your engine with complete confidence• Superior in strength and performance to any other cylinder stud head...

Milwaukee Eight HEAD BOLT KITSTAINLESS 12 POINT HEAD BOLTS UHL 3.215, QTY. 8• The strongest studs & bolts available!• Top engine builders demand quality fasteners! Secure your engine with complete confidence• Superior in strength and performance to any other cylinder stud head bolt kit...

• The strongest studs & bolts available!• Top engine builders demand quality fasteners! Secure your engine with complete confidence• Superior in strength and performance to any other cylinder stud head bolt kit on the market, this kit is designed to exceed the needs of...

FEULING® RACE SERIES® full travel hydraulic lifters are machined from a steel body and designed to exceed the needs of large lift camshafts and higher valve spring pressures with a slower bleed down rate. RACE SERIES® lifters maintain proper oil flow to the top end, increase engine...

FEULING® RACE SERIES® lifters for Milwaukee Eight engines have a relief machined into the lower body to clear the flange on the camshaft front exhaust lobe on grinds using smaller than stock base circles. These FEULING® RACE SERIES® lifters are full travel hydraulics, machined from a cold forged...

• Performance hydraulic roller lifters• Optimized oil flow to top end - valves, springs, rockers, shafts & valve guides• Cooler oil and reduced wear• Extends life of top end valve gear• CNC machined and precision ground• Drop in replacement for stock lifters• Dyno developed...

Oil is the Life Blood of your Engine!FEULING® oiling system kits combine all the needed components to finish your TC® engines oiling system under 1 Part #, available in HP+® or RACE SERIES® kits. FEULING® oiling system kits increase oil pressure, oil volume, engine oil flow and return oil...

Oil is the Life Blood of your Engine!FEULING® oiling system kits combine all the needed components to finish your TC® engines oiling system under 1 Part #, available in HP+® or RACE SERIES® kits. FEULING® oiling system kits increase oil pressure, oil volume, engine oil flow and return oil...

FEULING® RACE SERIES® OIL PUMP & CAMPLATE KITS increase oil pressure, oil volume, engine oil flow and return oil scavenging• Quieter and smoother engine operation• 27% more pressure and scavenge gear volume over stock• 42% more scavenge volume through port sizing, matched passages and holes to...

FEULING® HP+® OIL PUMP & CAMPLATE KIT kits increase oil pressure, oil volume, engine oil flow and return oil scavenging• Quieter and smoother engine operation• 27% more pressure and scavenge gear volume over stock• 42% more scavenge volume through port sizing, matched passages and holes to...

FEULING® OIL COOLED oiling system kits combine all the needed components to finish your Milwaukee Eight® engines oiling system under 1 Part #, available in HP+® or RACE SERIES® kits. FEULING® oiling system kits increase oil pressure, oil volume, engine oil flow and return oil scavenging• Quieter and smoother...

FEULING® oiling system kits combine all the needed components to finish your Milwaukee Eight® engines oiling system under 1 Part #, available in HP+® or RACE SERIES® kits. FEULING® oiling system kits increase oil pressure, oil volume, engine oil flow and return oil scavenging• Quieter and smoother engine operation•...

Building your M8 for big power? We've got the parts you need to bulletproof the top end of your valvetrain in one convenient kit! S&S performance parts are direct replacement for OEM pieces, but are stronger and more durable, giving your M8 the reliability...

Precision CNC machined forged aluminum Increased structural strength Dimensional stability Freedom for internal porosity Separate scavenge sections for flywheel cavity and cam chest scavenge each area more efficiently with no interference Gerotors are designed to tolerate more pinion shaft runout without damage Cam chest...

Complete 124" and 128" Big Bore and Cam Chest Kits! The S&S Power Package is the ideal combination of performance and savings, designed to transform your M8 without breaking the bank. For the latest generation HD’s, S&S is packaging their brand new 124” &...

Complete 124" and 128" Big Bore and Cam Chest Kits! The S&S Power Package is the ideal combination of performance and savings, designed to transform your M8 without breaking the bank. For the latest generation HD’s, S&S is packaging their brand new 124” &...

Complete 110" Big Bore and Cam Chest Kits!  Upgrade to the biggest bolt-in performance kit S&S makes for 1999-2017 Harley-Davidson® big twins (except 2006 Dyna® models and 2017 touring models). Get everything you need in one package. Contains an S&S 4” big bore cylinder...