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ECLATE G - PIECE N° 20 - BigTwin Knuckle / Pan / Shovel 1200CC 41/78 - S&S - ALESAGE : 3 7/16" - COMPRESSION : 9:1 - COTE : + 0.010 - 106-5504
Pour BigTwin Knuckle/Pan/Shovel de 1941 à 1978 1200cc/74". Kit complet avec pistons, clips, segments et axes de piston. Le Kit
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S&S, 3-7/16" BORE 9:1CR PISTON KIT
9:1 high (57cc dome) compression ratio. S&S forged pistons with an advanced alloy and skirt profiles, resulting in a quiet engine and long life, previously only achievable with cast pistons. Used as replacement, with a higher compression ratio, for 1200cc (74") Shovel, Pan and Knucklehead models. 3-7/16" bore with stock 3-31/32" stroke. Pistons include wrist pins, wrist pin clips and piston rings. Note: S&S piston fit recommendations: Close fit .0030" to .0035", loose fit .004" to .005". Note: In any and all applications the technician must be able to judge components for their suitability in combination with the other engine components, prior to installation. It is of importance that a knowledgeable mechanic will install & make adjustments as required. The rider must follow standard break-in and riding procedures for overhauled engines.
Fits: > 41-78 1200cc/74" Knuckle, Pan, Shovel (NU)
