FLOTEK BB Chevy 360cc Aluminum Cylinder Head Assembled 4704021-20 on most race applications

on most race applications

These lifters are manufactured using the tightest tolerances in the industry to ensure peak performance in your application

Installation video included

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FLOTEK BB Chevy 360cc Aluminum Cylinder Head Assembled 4704021-20 on most race applicationsProduct Description: Cylinder Head Assembled 2. 300 1. 880 in Valves 360 cc Intake 121 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.