Product Description Specifications Limited street use or bracket race. 11:1 compression, intake and exhaust. Radical idle. Good for 4 speed or 3500+ stall, 10.5:1+ compression. CARB: This product is not CARB Legal and not for sale in California Category: Engine Components>Camshaft & Lifter Kits Core: N LTL: N MPN: CL31-331-4 Proposition 65: Y Special Order: Y