Notes: Best suited for large displacement, high RPM engine applications. header fits cylinder heads with the center bolt hole pattern spread of 4-3/4. Valve Cover Mounting Style: P erimeter Bolt Fully CNC ported to Max Wedge size ports, this head has the potential for. From the high velocity, PRECISION As-Cast ports to the Fully CNC Ported Castings, Pro-Filer continues to deliver what you need to be the "Big Dog"!
SPREAD PORT CNC SERIES
It has only gotten better! Now with up to a 370cc Intake Port flowing to 400cfm AS CAST, the Pro-Filer Sniper can make some serious HP. The Pro-Filer Sniper Series of BBC heads have proven over and over again that performance and power are the heart and soul of our product. a powerful, out-of-the-box cylinder head design matched with an outstanding, unbeatable aerospace casting technology. These heads have high quality seats and bronze guides. This is where it all began. All of our port designs, CNC programs & seat. Profiler Hitman X 12° Spread Port CNC Machined Big Block Chevy Cylinder Heads PROF184X. bore spacing, these Edelbrock Big Victor Spread-Port CNC heads are. CHI CNC ported intake and exhaust ports are designed for circle track or drag racers who want to benefit from huge horsepower increases over traditional. Profiler Hitman X 12° Spread Port CNC Machined Big Block Chevy Cylinder Heads PROF184X. This engine builder decided to port the heads first. This CNC port design is targeted for the 632 cubic inch range, but may work on smaller motors depending on targeted RPM range and other factors. CNC port machining, which allows total flow consistency from head to head once. As Cast form or as a fully CNC ported head. LS series Chevrolet, the Big Victor spread port BBC, the SB2.2 & ROX, SBF Victor wedge, Ford FE and the Pontiac. Intended for high output, large cubic inch big block Chevy racing engines with 4.84 in. These are 18 BBC Spread Port cylinder heads with 2.450' Intake Valves and 1.900' Exhaust Valves. 210cc 245cc Spread Port Eliminator 23 Heads.
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The new PBM Profiler big block Chevy cylinder heads are available in 24 degree and 12 degree intake valve angles.