Support Ring for KB298 Std. thru +.020, KB Keith Black Performance Motorcycle Pistons

Fits KB298 series 3 5/8″ Big Bore pistons for Evolution Big Twin, For standard thru +.020″ bore, Support Ring for KB298 Std. thru +.020, KB Keith Black Performance Motorcycle Pistons

A limited number of KB pistons have the ring grooves crossing the piston pin hole. In order to have the piston rings properly supported these pistons come with piston ring support rings. As support rings do not have a sealing function they do not have to be replaced when you install new piston rings, but sometimes new ones are needed because a ring is lost or broken.

in Stock 2

Brand: KB Keith Black Performance Motorcycle Pistons
Article number:  239858

A limited number of KB pistons have the ring grooves crossing the piston pin hole. In order to have the piston rings properly supported these pistons come with piston ring support rings. As support rings do not have a sealing function they do not have to be replaced when you install new piston rings, but sometimes new ones are needed because a ring is lost or broken.

This product can be find in categorie Pistons & Piston Rings

Fits KB298 series 3 5/8″ Big Bore pistons for Evolution Big Twin, For standard thru +.020″ bore

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For more info about this product see our Catalog page 07-108, 0

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