EST Rocker Box Kit contains all gaskets and seals to service both rocker boxes on Evolution Big Twin motors.
Made in USA
Confirm the exact year, make, model and trim before ordering. Send us SKU 920356 with your vehicle info and we can help verify fitment.
Shipping services and final delivery cost are shown at checkout. Returns are confirmed before an RMA is issued — parts generally need to be uninstalled, unused and in original packaging. Full policy.
