Pro Elite™ 3.900" Bore LS7 CNC-Ported Cylinder Heads (for LS1/LS2)
• Bare 355-T6 aluminum CNC cylinder head
• Increases horsepower
• .750" thick deck surface
• Reinforced rocker rails
• Rectangular port heads
• Made in USA
RHS-Racing Head Service 54503 features intake ports that are raised .220" from the stock location for a straight line of sight into the cylinder and can also be used with OEM 4-bolt blocks or aftermarket 6-bolt blocks. RHS-Racing Head Service 54503 is designed to use eight standard LS1-style exhaust rockers and eight offset LS3-style style intake rockers and stands. RHS-Racing Head Service 54503 also features a .750"- thick deck surface and reinforced rocker rails for more rigidity in high horsepower and boosted applications. RHS-Racing Head Service 54503 has CNC-machined intake and exhaust runners as well as combustion chambers and is set-up for 2.100" intake and 1.575" exhaust valves.
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