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Ships within 48 hours · Estimated delivery Aug 24 - Aug 29
Available in either straight or offset design to suit all GM LS series engines
All Valve Covers are sold as a Pair
Rpm operating range 2200 - 5900 Duration advertised Inlet 291°
100" thicker rear cover for greater durability
Hi-Ram Intake Plenum Top Only - Natural Finish HO300-207 500 Series Cutter Available in either straight orHi Ram Intake Plenum Top Only Natural FinishSuit Dual 4150 & 4500 Carburettor Mounting HO300 207 300 207 Fits Holley Hi Ram Manifolds. They are available in the dual 4150 throttle body pattern or in a full blank top so that you can design your our system. The plenum tops are constructed of cast aluminum. Features: Modular Design w Removable Top A B Height: 12. 10" (w Carb Style Top 2 x 4150 or 2 x 4500) See Drawing Height at Plenum Flange: 9. 44" O
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