3-D Skull design. Black derby cover with a chrome skull.
3-D Skull design. Dimensions approx.: 7.25" (18.4cm) diameter.
Standard 9:1 compression ratio. Perfect for a stock rebuild. Piston includes the wristpin and wristpin clips. Note: Piston rings must be purchased separately. 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.
Standard 9:1 compression ratio. Perfect for a stock rebuild. Piston includes the wristpin and wristpin clips. Note: Piston rings must be purchased separately. 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.
Standard 9:1 compression ratio. Perfect for a stock rebuild. Piston includes the wristpin and wristpin clips. Note: Piston rings must be purchased separately. 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.
Standard 9:1 compression ratio. Perfect for a stock rebuild. Piston includes the wristpin and wristpin clips. Note: Piston rings must be purchased separately. 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.
Standard 9:1 compression ratio. Perfect for a stock rebuild. Piston includes the wristpin and wristpin clips. Note: Piston rings must be purchased separately. 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.
Standard 9:1 compression ratio. Perfect for a stock rebuild. Piston includes the wristpin and wristpin clips. Note: Piston rings must be purchased separately. 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.
Standard 8:1 compression ratio. Perfect for a stock rebuild. Piston includes the wristpin and wristpin clips. Note: Piston rings must be purchased separately. 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.
Standard 8:1 compression ratio. Perfect for a stock rebuild. Piston includes the wristpin and wristpin clips. Note: Piston rings must be purchased separately. 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.
Standard 8:1 compression ratio. Perfect for a stock rebuild. Piston includes the wristpin and wristpin clips. Note: Piston rings must be purchased separately. 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.
Standard 8:1 compression ratio. Perfect for a stock rebuild. Piston includes the wristpin and wristpin clips. Note: Piston rings must be purchased separately. 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.
Standard 8:1 compression ratio. Perfect for a stock rebuild. Piston includes the wristpin and wristpin clips. Note: Piston rings must be purchased separately. 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.
Standard 8:1 compression ratio. Perfect for a stock rebuild. Piston includes the wristpin and wristpin clips. Note: Piston rings must be purchased separately. 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.
Standard 8.5:1 compression ratio. Perfect for a stock rebuild. Piston includes the wristpin and wristpin clips. Note: Piston rings must be purchased separately. 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.
Standard 8.5:1 compression ratio. Perfect for a stock rebuild. Piston includes the wristpin and wristpin clips. Note: Piston rings must be purchased separately. 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.
Standard 8.5:1 compression ratio. Perfect for a stock rebuild. Piston includes the wristpin and wristpin clips. Note: Piston rings must be purchased separately. 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.
Low 7:1 compression ratio. Perfect for a stock rebuild with improved reliability of low compression. Piston includes the wristpin and wristpin clips. Note: Piston rings must be purchased separately. 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.
Low 7:1 compression ratio. Perfect for a stock rebuild with improved reliability of low compression. Piston includes the wristpin and wristpin clips. Note: Piston rings must be purchased separately. 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.
Low 7:1 compression ratio. Perfect for a stock rebuild with improved reliability of low compression. Piston includes the wristpin and wristpin clips. Note: Piston rings must be purchased separately. 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.
Low 7:1 compression ratio. Perfect for a stock rebuild with improved reliability of low compression. Piston includes the wristpin and wristpin clips. Note: Piston rings must be purchased separately. 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.
Low 7:1 compression ratio. Perfect for a stock rebuild with improved reliability of low compression. Piston includes the wristpin and wristpin clips. Note: Piston rings must be purchased separately. 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.
Standard 9:1CR. Perfect for a stock rebuild. These cast type pistons are well known for their low expansion rate. They have a substantial lower price than OEM forged pistons. Note: Each piston includes one wrist pin and two wrist pin clips. Piston rings must be purchased separately. 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.
Standard 9:1CR. Perfect for a stock rebuild. These cast type pistons are well known for their low expansion rate. They have a substantial lower price than OEM forged pistons. Note: Each piston includes one wrist pin and two wrist pin clips. Piston rings must be purchased separately. 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.
Standard 9:1CR. Perfect for a stock rebuild. These cast type pistons are well known for their low expansion rate. They have a substantial lower price than OEM forged pistons. Note: Each piston includes one wrist pin and two wrist pin clips. Piston rings must be purchased separately. 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.
Standard 9:1CR. Perfect for a stock rebuild. These cast type pistons are well known for their low expansion rate. They have a substantial lower price than OEM forged pistons. Note: Each piston includes one wrist pin and two wrist pin clips. Piston rings must be purchased separately. 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.
OEM style replacement. Sprocket shaft does not have a keyway; like OEM.
Die-cast aluminum. Includes mounting hardware and gasket.
Stock 5.330" length. Crankcases must be bored to accept the larger diameter cylinder. Note: Cylinders must be finish bored and honed to fit stock size pistons. Cylinders are sold without pistons and rings. 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.
Complete with roller. OEM style reproduction oversized lifter.
Complete with roller. OEM style reproduction oversized lifter.
Complete with roller. OEM style oversized reproduction lifter.