Engine Cylinder Headuse recommended springs to match your camshaft. Exhaust flange is extended . 300" from stock (same as Mopar Stage 6) featuring dry exhaust bolt holes with Heli Coil thread inserts. 72cc combustion chamber volume. Cylinder head part #77939 comes bare with valves only.
Shopping security
Each payment you make on thelockerguy is secured with strict SSL encryption and PCI DSS data protection protocols