Product Description Specifications Max effort bracket racing or Pro Street. 10:1-11:1 compression with 4000 to 4500 stall and 4.30-4.88 gear. CARB: This product is not CARB Legal and not for sale in California Category: Engine Components>Camshaft & Lifter Kits Core: N LTL: N MPN: CL20-249-4 Proposition 65: Y Special Order: Y