S&S Cycle - S&S Performance Parts 2025 L - Volume 67

1936-'84

Phone: 608-627-1497

1 -2017-UP 2 -2007-'17 3 -1999-'06 4 -1984-'99 5 -1936-'84 6 -XL-RA1250 7 -BELTS & GASKETS 8 -TOOLS 9 -WARRANTY 10 -APPENDIX

S&S offers performance engines in a variety of displacements for 1936–’84 Harley-Davidson® OHV big twins, that provide a vintage vibe and modern muscle These engines have a deceptively stock appearance, but feature larger displacement and updated internal components for improved performance and reliability Engineering grade cast iron cylinders are protected with a durable powder coat finish

1966–’84 BIG TWIN

SH93 (93 CID) An excellent upgrade option to replace a worn out Harley-Davidson® shovelhead engine, or to power a retro custom The SH93 provides a significant increase in power over stock 74” or 80” engines, and since it runs well on pump gas, it’s a great daily driver Available with generator, alternator, or alt/gen crankcases 1948–’65 BIG TWINS P93 (93 CID) An excellent upgrade option to replace a worn out Harley-Davidson® panhead engine, or to power a retro custom The P93 provides a significant increase in power over stock 74” engines, and since it runs well on pump gas, it’s a great daily driver Available with generator, alternator, or alt/gen crankcases 1936–’47 OHV BIG TWINS KN93 (93 CID) An excellent upgrade option to replace a worn out Harley-Davidson® knucklehead engine, or to power a retro custom The KN93 provides a significant increase in power over stock 74” or 61” engines, and since it runs well on pump gas, it’s a great daily driver Available with generator, alternator, or alt/gen crankcases

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