WebMar 27, 2012 · We first ran the stroker with a set of as-cast, stock LS7 heads and found peak numbers of 742 hp and 684 lb-ft of torque and average numbers of 635 hp and 647 lb-ft. Every one of the aftermarket ... WebPRC LS1/LS2 15 Degree 220cc AS CAST (NON PORTED) Cathedral Heads & TSP Cam Package Outright. Texas Speed & Performance have been at the forefront of LS/LT …
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WebJul 9, 2012 · The chamber sizes varied from a low of 64 cc for the cathedral-port AFR 245s, 70 cc for the stock LS3 heads, and a high of 73 cc for the 317 heads. Obviously, the difference in chamber volume ... WebSep 24, 2015 · LS6/LS2. In its most potent form, these heads supported a conservatively rated 405 hp on the Z06 Corvette. ... It is no wonder PRC cylinder heads have a few long-standing records in the LS drag race community. (Photos Courtesy Precision Race Components) 6.0-Liter/LS6 Stage 1, 6.0-Liter/LS6 Stage 2.5, 6.0-Liter/LS6 Stage 3 . 237 cc plycar automotive logistics
PRC LS3 Cylinder Heads 260cc CNC Ported 380+CFM
WebFlowing up to 54 cfm intake and 37 cfm exhaust more than the factory LS7 CNC ported cylinder heads, you can achieve 393 cfm with our 265cc and 407 cfm with our 285cc cylinder heads for your street-driven vehicle! The 265cc cylinder heads will require a minimum bore size of 4.10”, while the 285cc cylinder heads will require a minimum bore size ... WebThe all new PRC 225cc As-Cast cylinder heads are finally available for customers looking for the ultimate as-cast cathedral LS heads available. The new PRC as-cast intake port has been flow bench tested to flow over 320cfm & can support everything from smaller camshaft street engines all the way to all out race engines. WebCar is a weekend street car and sees the occasional dragstrip. Currently I have 806 heads with an AI CNC port job along with their valve job. The tabs on the 806's have been welded over and the heads decked ~.075". using .040" MLS head gaskets and compression is ~10.6X.1. It's been a great setup for many years. Car made 421/397 at Vengeance. plyboo stiletto strand bamboo flooring