Page 67 of 2008 Performance Guide by S&S Cycle

s&s performance guide s&s® 89 stock bore stroker kit for 1984 99 big twin engines by increasing the stroke of the 80 harley-davidson® evolution® big twin engine from 41/4 to 45/8 the displacement is increased to 89 cubic inches stock or s&s super stock® or performance replacement heads can be used with this configuration depending on which pistons are purchased with the stroker flywheels 89 strokers can be installed in carbureted or fuel injected engines note that recalibration of the fuel injection system is required no special machine work is required to install this kit other than a simple crankcase clearance operation and normal piston fitting s&s stroker pistons must be purchased separately and are available in all standard oversizes and in pre-fit s&s cylinder and piston kits an 89 stroker kit makes a perfect stepping stone to a 96 engine in the future because s&s 35/8 big bore cylinders can be added without rebalancing the flywheels in fact these flywheels are identical to the ones used in 96 s&s engines and sidewinder® kits see your s&s dealer to achieve the full potential of this engine configuration we suggest that you consider the 89 hot set up kits found on pages 73 and 75 of this catalog specification chart s&s® 89 stock bore stroker kits for harley-davidson® evolution® engines displacement 89 stroke 45/8 bore 31/2 compression ratio 9.5:1 cr piston type cast or forged cylinder length stock compression ratio with stock heads application trips engine life very good c pistons supplied are cast type for stock style heads f pistons supplied are forged type for s&s super stock® heads 1990 and later installations require 1977 to 1989 pinion shaft gears kit 33-4148 includes cam and oil pump drive gears spacer and nut this kit requires special s&s pistons order the required piston oversize from this chart application carbureted fuel injected s&s® 89 stock bore stroker kits for harley-davidson® evolution® engines part no 32-2230 32-2146 32-2060 msrp $964.95 $1,049.95 $399.95 custom flywheels 92-2426 series for stock heads custom flywheel price does not include connecting rods mainshafts or assembly charge these are available at additional cost 92-2426 or 92-2046 series pistons s&s® 89 stroker kits oversize standard 005 010 020 030 92-2026 series for s&s® super stock® cylinder heads for stock heads 9.25:1 compression part no 92-2426 92-24265 92-2427 92-2428 92-2429 91-7211 91-7711 msrp $289.95 $289.95 $289.95 $289.95 $289.95 $739.95 $824.95 for s&s super stock® heads 10:1 compression part no 92-2046 92-20245 92-2047 92-2048 92-2049 91-7215 91-7715 msrp $289.95 $289.95 $289.95 $289.95 $289.95 $739.95 $824.95 cylinder piston kit natural cylinder piston kit black 67 visit us at www.sscycle.com

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