(two valve per cylinder) aluminum cylinder heads. Group 1 camshaft with 320 degrees duration. 1.95" inlet valves and 1.625" exhaust valves. Roller rockers. Custom intake manifold. Triple Weber 44 DCNF downdraught carburetors. Mallory distributor. Mallory ProMaster coil. Accel 8.8 Silicone Plus ...