Bowtie 572/720R Cylinder Head Assembly

Product Details

Bowtie 572/720R Cylinder Head Assembly
• Aluminum racing head assembly
• Used in the 572/720R Chevrolet Performance crate engine
• Completely assembled with 2.250"/1.880" 11/32" stem valves
• Mechanical roller valve springs – not for use with hydraulic roller cams
• Good to .720" valve lift
• 310cc rectangular intake port
• 118cc exhaust port – raised 5/8"
• 118cc combustion chamber
• Not recommended for engines smaller than 572 cid

This head is assembled with the following components:
12366987 2.250" Intake Valves
12366990 Valve Spring Retainer Lock
88963128 1.880" Exhaust Valves
12366992 Valve Spring Retainer
19172596 Valve Springs
88963936 Valve Seals
88963937 Valve Spring Shims
3921912 Rocker Arm Studs
88963935 Valve Spring Locators
3860038 Pushrod Guideplates

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