JIM’S V-TWIN 4.310” / 135 CUBIC INCH M8 “RACE” PISTONS

These are the high compression pistons designed for 135 cubic inch motors. These are sold as “RACE USE” and are not designed for everyday 2 up touring.

CP Carillo manufactures the pistons to Jim’s specs. They are then coated by Calico Coatings with the very same coating that goes onto every piston in a NASCAR engine! After coating, each piston set is personally inspected and packaged by Jim to ensure product consistency.

Piston kit comes complete with: Pistons / Ring Set / Wrist Pins / Wrist Pin Clips

Designed for the Harley Davidson Screamin’ Eagle 135 crate engine.

4.310” Bore X 4.625” Stroke M8 configuration.

EDV : +.43cc

Jim recommends a .030” set of base gaskets with Screamin Eagle 4.310” cylinders. Your head gasket thickness needs to be calculated based on your cam choice as well as your cylinder head final cc.