FLOTEK Jackal Cylinder Head - Assembled - 2.350 / 1.880 in Valves - 375 cc Intake - 127 cc Chamber - 1.620 in Springs - Big Block Chevy 91930039 Stainless steel tanks capture coolant

Stainless steel tanks capture coolant overflow and recirculates it to the radiator

gaskets and tile cement

Vehicle Applications: 2020-2022 Chevrolet 2500 HD and GMC Sierra 2500HD 2WD/4WD

The seven-inch diameter Degree Wheel is designed to insure maximum accuracy in camshaft installations

1966-1978 Mercedes-Benz 230

FLOTEK Jackal Cylinder Head - Assembled - 2.350 / 1.880 in Valves - 375 cc Intake - 127 cc Chamber - 1.620 in Springs - Big Block Chevy 91930039 Stainless steel tanks capture coolantProduct Description: Cylinder Head Jackal Assembled 2. 350 1. 880 in Valves 375 cc Intake 127 cc Chamber 1. 620 in Springs Aluminum Big Block Chevy 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.