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Features Made in the USA Big Bore Kit 107" to 124" Big bore kit Bolt on kit No case matching required Forged pistons 11:1 Compression ratio Oil...

Features Made in the U.S.A. Big Bore Kit 107" to 124" Big bore kit Bolt on kit. No case machining required Forged pistons 11.1 Compression ratio...

Features Made in the USA Big Bore Kit 107" to 124" Big bore kit Bolt on kit No case matching required Forged pistons 11:1 Compression ratio Oil...

Features Made in the USA Big Bore Kit Big-bore bolt-on kit increases 114"/117" with 4-1/2" stroke M-Eight to 128" with no case machining require...

Features Big-bore bolt-on kit increases 114"/117" with 4-1/2" stroke M-Eight with no case machining required 4-1/4" bore cylinders with 11:1 forge...

Features Made in the USA Big Bore Kit Big-bore bolt-on kit increases 114"/117" with 4-1/2" stroke M-Eight to 128" with no case machining require...

Features Transform the 114" or the 117" water-cooled M8 into 132" Adjustable pressure relief valve can be adjusted with unit installed in the engi...

Features Transform 107" oil-cooled M8 into 129" with no case machining required Big bore cylinders come with matching cam, cam plate and oil pump ...

Features Transform 107" oil-cooled M8 into 129" with no case machining required Big bore cylinders come with matching cam, cam plate and oil pump ...

Features Transform the 114" or the 117" oil-cooled M8 into 132" Adjustable pressure relief valve can be adjusted with unit installed in the engine...

Features Transform the 114" or the 117" water-cooled M8 into 132" Adjustable pressure relief valve can be adjusted with unit installed in the engi...

Features Transform 107" oil-cooled M8 into 129" with no case machining required Big bore cylinders come with matching cam, cam plate and oil pump ...

Features Transform 107" oil-cooled M8 into 129" with no case machining required Big bore cylinders come with matching cam, cam plate and oil pump ...

Features High compression Oil line installation kit required No fuel system or ignition systems included Special head machining fits stock length ...

Features Includes Super Stock™ heads, T2 crankcase, high flow oil pump, cam cover and easy start 585 gear drive cams Special head machining fits s...

Features Super Stock™ heads and crankcase Easy start 585 gear drive cams with redesigned cam cover TC3 oil pump and cam plate Made in the USA Not...

Features S&S B3 cylinder heads CNC-machined with two-bolt exhaust flanges S&S 635 easy-start gear drive cams and 1.725:1 rocker arms for ....

Features High compression Oil line installation kit required No fuel system or ignition systems included Special head machining fits stock length ...

Features Super Stock™ heads and crankcase Easy start 585 gear drive cams with redesigned cam cover TC3 oil pump and cam plate Made in the USA Not...

Features S&S B3 cylinder heads CNC-machined with two-bolt exhaust flanges S&S 635 easy-start gear drive cams and 1.725:1 rocker arms for ....

Features Cams designed as bolt-in cam for 88", 95", 96" and 103" engines with compression ratios below 9.7:1 Kit includes camshafts with inner gea...

Features Single-fire and dual-fire function built into a single module All-metal housing provides improved heat dissipation Ignition advance and t...

Features More power than the stock ignition Single-fire and dual-fire function built into a single module All-metal housing provides improved heat...

Features S&S Cams are tested on the dyno, street and track before being offered to the public With hundreds of hours of testing on each cam, y...