We've recently release our most hard core racing head yet. The All Pro LSW -2 cylinder head is based on the factory LS7 architecture however it utilizes revised proprietary ports and chambers. The -2 head has a 12º valve angle and valve placement is in the same location as the -1 head. We currently offer the -2 heads in two configurations. A 312cc intake port using a 2.250" valve size and 65cc combustion chamber and a max effort 330cc port using a 2.250" valve with a 47cc chamber. We recommend the -2 heads for large displacement engines using high lift mechanical roller cam profiles. The nominal bore size for the -2 heads is 4.125". Please note that the intake and exhaust ports are proprietary in their size and location on the flange planes and therefore require special manifolding which we offer solutions for. The deck thickness averages between 3/4" and 7/8" and with the added metal underneath the rocker stand it makes the -2 head a superior choice for high compression and power adder applications.
All Pro LSW -2 330cc Cylinder Head Flow
Intake tested with radius flow plate.
Exhaust tested without test tube.
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