Crankcases

All-steel construction Welded-in screen Higher flow than stock Elongated breather pocket scavenge hole for increased suction Compatible Vehicles Years Make Make Notes 1995-1997 Harley-Davidson Bad Boy FXSTSB 1983 Harley-Davidson Disc Glide...

All-steel construction Welded-in screen Higher flow than stock Elongated breather pocket scavenge hole for increased suction Compatible Vehicles Years Make Make Notes 1995-1997 Harley-Davidson Bad Boy FXSTSB 1983 Harley-Davidson Disc Glide...

Kit comes with gear and spacer Require the use of corresponding cam and pinion gear Made in the U.S.A. Compatible Vehicles Years Make Make Notes 1958-1964 Harley-Davidson Duo Glide FL 1958-1964 Harley-Davidson Duo Glide...

Cast from A356 T-6 heat-treated aluminum alloy Machined to accept an oil filter assembly that mounts on the front of stock motor cases All races are line-honed and breather cavity is precision-machined to optimize breather timing for maximum oil...

Cast from A356 T-6 heat-treated aluminum alloy Includes crankcase bolts, washers and nuts, cylinder mounting studs, timing hole plug, magnetic drain plug, assorted breather and oil line fittings, top end oil screen spring and plug, sprocket shaft...

S&S - Super Stock Engine Cases Cases are available for 3.5 inch stock and 3.625 inch big bore (specified in title) motors for any stroke up to and including 5 inch and most stock length connecting rods. Machined to accept an oil filter...

S&S - Super Stock Engine Cases Cases are available for 3.5 inch stock and 3.625 inch big bore (specified in title) motors for any stroke up to and including 5 inch and most stock length connecting rods. Machined to accept an oil filter...

The S&S Super Stock alternator style crankcases are perfect for stock replacement and for high performance applications. Pre-clearanced for strokes up to and including 5". S&S Super Stock crankcases are compatible with stock 1970-1999...

Stock or 4-1/8" bore crankcases to be used as a foundation for a custom engine or replacement for T111, T124, or T143 Stock looking, but stronger; thicker wall sections and superior 356-T6 aircraft grade aluminum Tough powder coat...

Solves the problem of oil carryover in Twin Cam "A" motors with stock oil pump Oil carryover is oil that comes out of your breather and all over your bike Easy-to-install when changing cams or servicing the oil pump Made in the U.S.A. Not...

All passages between the crankcase cam support plate are O-ring sealed. Compatible with most stock components. Available with silver powder-coat or black powder-coat. Rear motor mount bolts directly to the stock transmission; fully compatible with...

Machined T-6061 billet aluminum construction Helps oil drain more efficiently into the rocker Reduces oil misting coming from the engine breathers Made in the U.S.A. Compatible Vehicles Years Make Make Notes 2011-2013 Harley-Davidson Blackline...