summit racing ls3 hyroolic cam cnc ported cylinder heads

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Actual rates will be shown at checkout.Īffirm has a dedicated team in San Francisco at Affirm HQ, ready to answer your questions and help out however they can. Affirm offers rates from as low as 10-30% APR based on your credit. There are no gimmicks like deferred interest or hidden fees, so the total you see at checkout is always what you’ll actually pay.Īffirm designed its loans to offer you flexibility and control over your budget. Like all of our other cylinder heads, these have been designed, tested and cast from 356 aluminum and heat treated to T-6 specs in our facilities in Southern California to guarantee you get the best from a name you can trust.Īffirm and Gwatney Performance have teamed up to offer easy financing for orders over $500 – without a catch. retains the stock rocker arm, intake port and spark plug tip location for use with factory components. This cylinder head features fully CNC machined intake ports, combustion chambers and exhaust ports for improved performance. It’s designed with a thicker deck and more material in the intake, exhaust and port walls for improved strength, durability and for additional porting and deck milling. The intake valve has been increased to 2.20″ diameter and has hollow stem valves with a 45° seat angle, while the exhaust valve has a diameter of 1.60″ and utilizes a 50° seat angle. The valve position has also been revised to accommodate interlocking valve seat rings and larger valves. They have been designed with high flow intake/exhaust ports and back cut intake valves for improved air flow.

This revision will require the use of custom exhaust manifolds and headers. is the revised exhaust ports, which have been moved 1.5″ horizontally to improve air flow. The biggest change and advantage of Victor Jr. LT1 (Gen V) cylinder heads are an excellent upgrade for ultra high-performance on GM Gen V LT1 racing engines.

Summit racing ls3 hyroolic cam cnc ported cylinder heads