Kuvaus

Standard replacement was 8:1 (46cc dome). these come with a 9:1 (57cc dome) compression ratio for a bit more oomph. 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.41-78 1200cc/74″ Knuckle. Pan. Shovel (NU)