FLOTEK Bare Cylinder Head 1.940/1.540" Valves 180 cc Intake 58 cc Chamber - Aluminum 110013 Mechanically Locked

Mechanically Locked

Standard male 3/8" hex driveshaft

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

OR High Energy Marine: Single or dual engine with inboard/outboard drive for ski and economy

FLOTEK Bare Cylinder Head 1.940/1.540" Valves 180 cc Intake 58 cc Chamber - Aluminum 110013 Mechanically LockedProduct 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.