Page 91 of High Performance Parts for American V-Twins 2008 by S&S Cycle

1958-2008 50th ann iversary s&s® sidewinder® kits for 1984 99 big twin engines an s&s sidewinder kit is one of the most popular performance upgrades available for harley-davidson® evolution® big twin engines in the days before complete high performance big inch engines were available sidewinder kits were the only way to go today increasing the displacement of a stock engine is still a very cost effective alternative to replacing it with a complete high performance engine complete sidewinder kits contain a dynamically balanced flywheel assembly including connecting rods and mainshafts cylinders and pistons fit and ready to install and head and base gaskets longer than stock head bolts are included in 98 and 103 kits to provide correct cylinder stud thread engagement with the longer cylinders supplied in these kits an s&s manifold pushrods and pushrod clips are included in kits that include cylinders that are longer or shorter than stock this includes all but the 96 kit s&s sidewinder top-end kits are available for owners of stock 80 engines and for engines already equipped with s&s 89 stock bore stroker kits these top end kits yield 88 and 96 respectively using the engine s existing flywheels stock 80 flywheels 41/4 stroke must be rebalanced when installing the 88 top end kit but the flywheels in an engine with an s&s 89 kit 45/8 stroke do not require rebalancing when installing a 96 sidewinder top-end kit stock crankcases must be bored to accept the larger 35/8 bore cylinders for both complete sidewinder kits and top end kits complete installation instructions are included with each kit and s&s has special boring fixtures available that make it easy to perform the required crankcase modifications see page 1212 in this catalog for more information complete s&s® sidewinder® kits for harley-davidson® evolution® big twin engines displacement 88 93 96 98 103 stroke 41/4 41/2 45/8 43/4 5 compression ratio 9:1 9.5:1 9.75:1 10:1 10.5:1 cylinder length 175 050 015 075 200 application riding double touring trips some strip some trips street strip street and strip little street mostly strip engine life stock-like very good good fair poor natural kit part no 91-7652 91-7650 91-7655 91-7202 91-7660 91-7665 91-7670 msrp $884.95 $1,744.95 $1,729.95 $719.95 $1,549.95 $1,829.95 $1,829.95 91-7653 91-7651 91-7656 91-7702 91-7661 91-7666 91-7671 black kit part no msrp $969.95 $1,829.95 $1,814.95 $804.95 $1,634.95 $1,914.95 $1,914.95 denotes big bore top end kit only parts included in complete s&s® sidewinder® kits for harley-davidson® evolution® big twin engines displacement 88 93 96 98 103 kit part no natural 91-7652 91-7650 91-7655 91-7202 91-7660 91-7665 91-7670 black 91-7653 91-7651 91-7656 91-7702 91-7661 91-7666 91-7671 lllll complete flywheel assembly cylinders and pistons lllllll head base gaskets lllllll head bolts intake manifold l l l pushrods l l l pushrod clips lllllllllll order toll free 866-244-2673 3-32

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