Product Description Specifications For hot street machines. 2500+ stall, 9.5:1+ compression. Best with headers and aluminum intake. Rough idle. CARB: This product is not CARB Legal and not for sale in California Category: Engine Components>Camshaft & Lifter Kits Core: N LTL: N MPN: CL11-450-8 Proposition 65: Y Special Order: Y