FLOTEK Bare Cylinder Head 1.940/1.540" Valves 180 cc Intake 58 cc Chamber - Aluminum 110013 Clamp is a one-piece design

Clamp is a one-piece design

Most people believe that the tang inside a valve lock is what actually holds the valve spring retainer and spring in place while the engine is running

Mechanically Locked

Manifold also fits 1961-63 Buick and Oldsmobile aluminum 215 c

Standard male 3/8" hex driveshaft

FLOTEK Bare Cylinder Head 1.940/1.540" Valves 180 cc Intake 58 cc Chamber - Aluminum 110013 Clamp is a one-piece designProduct Description: Cylinder Head Bare 1. 940 1. 550 in Valves 180 cc Intake 58 cc Chamber Aluminum Small Block Ford Sold Individually Flo Tek manufactures aluminum cylinder heads for big block Chevys and small block Chevy and Fords. Each head comes preassembled with valves and springs.