Brawler LS3 Style CNC Ported Cylinder Heads w/ TSP .660" Spring Kit and Titanium Retainers

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Introducing the Brawler Series CNC LS3 Heads! The goal with the Brawler series cylinder heads are to provide a standardized on the shelf, in-stock cylinder that can ship out very q uickly and to provide customers with an incredible bargain! If you are looking for a great replacement/upgraded LS3-style cylinder head, look no further than these fully CNC ported Brawler cylinder heads! These are inspired from a factory GM LS3 cylinder head casting but with the tried and true CNC porting program. Equipped with TSP Stainless Steel valves and TSP/PAC Dual .660 Spring kit with Titanium Retainers, this new cylinder head option provides maximum value for customers wanting to upgrade from stock cylinder heads on a budget. Features: Same CNC Porting As PRC LS3 Heads (257cc Intake port) CNC Valve Job 68cc Combustion Chamber TSP .660 Spring Kit TSP Titanium Retainers TSP Stainless Steel Valves 2.165" Hollow Stem intake, 1.60" stainless exhaust Fully Assembled Ready To Slap On and Tested Dyno Tested 25+HP Gains Over Stock 6.2L Cylinder Heads! PRC LS3 Intake PRC LS3 Exhaust cfm cfm .200 154 115 .300 223 170 .400 282 198 .500 324 211 .600 351 228 .650 358 232 Show more