Comp Cams Big Mutha’ Thumpr 243/257 Hydraulic Roller Camshaft GK-Kit (68-80 Big Block V8 C10, C15, C20, K10, K15, K20)

CAMSHAFT KIT, CB 299T HR-107 B MT THUMPR Cost - $25 Free Shipping We offer free shipping on orders over $30. Please check the free - shipping eligibility at checkout. Delivery Time It usually takes [3-5] business days for standard shipping. Please note that this is an estimated time frame and may be affected by local holidays, and unforeseen circumstances. Be the first to write your review!