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B16A / B18C C30A / C32B SR20DET 2JZ NON VVT-i 2JZ VVT-i EJ205 G6DA V6 4G63 CHEVY LS
B18A / B18B K20A / K20Z KA24DE 1JZ B58B30 EJ207 G4KF 4G63 EVO VIII DODGE SRT4
H22 / H22A K20A3 / K24A VQ35 / VQ37 7MGTE 2AZFE EJ257 / EJ255 VW / AUDI 4G63 EVO IX FORD COYOTE
F20C / F22C D16Y8 TB48 3SGTE 4AGE EJ257B DUAL 1.8T 4B11 EVO X DIESEL TRUCK
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POLARIS RZR HIGH PERFORMANCE CNC CYLINDER HEADS

BC/TPR has developed the ultimate CNC cylinder head package that features maximum flow intake and exhaust port design and combustion chamber enhancements along with complete BC valve train components and high performance camshafts. Each cylinder head includes complete 5 axis CNC porting of the intake and exhaust ports as well as CNC milling of the combustion chamber to equalize burn rate, reduce variance in compression ratio and eliminate potential hot spots in the chamber. BC/TPR offers two different port designs, a small port design featuring +1mm intake and exhaust valves, typically for non stroker applications and a big port with +1mm intake and +3.8mm exhaust valves for the larger displacement stroker engines.

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POLARIS RZR HIGH PERFORMANCE CRANKCASE

The Polaris RZR platform has notorious issues with inadequate oiling resulting in burned up Mag side connecting rods, cam bucket and cam lobe wear as well as other issues related to low oil pressure. This starts with crankcase main journals being out of tolerance, allowing oil to hemorrhage out the lower case half, as well as case half shift while torquing aftermarket ARP main studs with a higher tensile strength than the OE torque to yield bolts. Working closely with King Bearing engineers, BC/TPR has introduced oversize main bearings that allows the "truing" up of the main journals in the crankcase by lineboring them all to 1.750" O.D. This along with shuffle pinning the case halves delivers the ultimate crankcase proven in excess of 550whp.

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Some products listed are not legal for sale or use on emission controlled motor vehicles, RPM ranges vary on application.Warranty Information Copyright © Brian Crower Inc. All rights reserved..
WARNING: This product can expose you to chemicals, including Chromium (hexavalent compounds), lead and lead compounds, which are known to the State of California to cause cancer, birth defects or other reproductive harm. For more information, visit www.p65warnings.ca.gov