Frankenstein M311 Aluminum Cylinder Head - Bare - 2.165 / 1.600 in Valve - 273 cc Intake - 71 cc Chamber - GM LS-Series COM207 1985-1998 GMC K1500

1985-1998 GMC K1500

HIGH FLOW POWER PLUS SERIES TWIN 62MM THROTTLE BODY INCREASES AIRFLOW TO IMPROVE HORSEPOWER AND THROTTLE RESPONSE OVER STOCK

Can help to eliminate glare during daytime driving

This stainless steel splash shield is powder-coated black and features built-in air slots that ensure sufficient airflow delivery

1960-1969 Chevrolet K20 Pickup

Frankenstein M311 Aluminum Cylinder Head - Bare - 2.165 / 1.600 in Valve - 273 cc Intake - 71 cc Chamber - GM LS-Series COM207 1985-1998 GMC K1500Product Description: Cylinder Head M311 Bare 2. 165 1. 600 in Valves 273 cc Intake 71 cc Chamber Aluminum LS3 GM LS Series A designer and manufacturer of top quality high performance cylinder heads and intake manifolds for GM's popular LS series engines as well as other performance powerplants, Frankenstein Engine Dynamics specializes in taking a high output engine to the next level. They also offer premium camshafts and valvetrain components designed