PRC Precision Race Components

Texas Speed PRC As-Cast Cathedral Port 220cc Cylinder Heads for 3.820" + Bore LS Engines

PRC 220cc As-Cast Cathedral Port 15-Degree LS Heads  Fits 1999-2013 LS-Based Engines with 3.820" and larger bores Great option for 4.8L and 5.3L engines that have been machined .040" or...

Texas Speed PRC 5.7 6.0 As-Cast 225cc Cathedral Port Big Chamber 68cc Cylinder Heads LS1 LS6 LS2 LQ4 LQ9 5.7L 6.0L 6-Bolt Heads TSP

PRC 225cc As-Cast Cathedral Port Big Chamber LS Heads  Fits 1997-2013 LS-Based Engines 5.7L 6.0L LS1 LS2 LS6 LQ4 LQ9 These 100% USA-cast and machined Precision Race Components...

Texas Speed PRC 5.7 6.0 As-Cast 225cc Cathedral Port Cylinder Heads LS1 LS6 LS2 LQ4 LQ9 5.7L 6.0L 6-Bolt 62cc Chamber Heads TSP

PRC 225cc As-Cast Cathedral Port LS Heads  Fits 1997-2013 LS-Based Engines 5.7L 6.0L LS1 LS2 LS6 LQ4 LQ9 These 100% USA-cast and machined Precision Race Components cylinder heads...

Texas Speed PRC 6.0 CNC Ported 237cc Cathedral Port Cylinder Heads 6.0L LS2 LQ4 LQ9 408 TSP

PRC 237cc CNC 6.0L Cathedral Port LS Heads  Fits 1999-2013 LS-Based Engines LS2 LQ4 LQ9 408 These 100% USA-cast and machined Precision Race Components cylinder heads feature 237cc...

Texas Speed Brawler 6.2 LS3 CNC Rectangle Port 257cc Cylinder Heads 6.2 LS3 L99 LSA LS9 L92 L9H L94 TSP

Texas Speed Brawler LS3 257cc CNC Rectangle Port Cylinder Heads Fits 2007-Newer Rectangle Port LS-Based Engines 6.2L LS3 L99 LSA LS9 L92 L9H L94 If you are looking for great factory style...

Texas Speed Brawler LS6 Style CNC Cathedral Port Heads TSP 4.8 5.3 5.7 6.0 LS1 LS2 LS6 LQ4 LM7 L33

Texas Speed Brawler LS6 Style Cathedral Port CNC Cylinder Heads Fits 1997-2013 LS-Based Engines 4.8L 5.3L 5.7L 6.0L  If you are looking for great factory style replacement/upgraded LS1/LS6...

Texas Speed PRC 6.2 LS3 As-Cast 257cc Rectangle Port Cylinder Heads 6.0L 6.2L LS3 L99 LSA LS9 L92 L76 L77 L96 LY6 TSP

PRC LS3 As-Cast 257cc Rectangle Port LS Cylinder Heads Fits 2007-Newer Rectangle Port LS-Based 6.0L and 6.2L Engines LS3 L99 LSA LS9 L92 L9H L94 L96 L76 L77 LY6 These 100% USA-cast and machined...

Texas Speed PRC 6.2 LS3 CNC Ported Rectangle Port 260cc Cylinder Heads 6.2L LS3 L99 LSA LS9 L92 TSP

PRC LS3 260cc CNC Rectangle Port Cylinder Heads Fits 2007-Newer Rectangle Port LS-Based 6.2L Engines LS3 L99 LSA LS9 L92 L9H L94 These 100% USA-cast and machined Precision Race Components...

Texas Speed PRC Gen V LT1 CNC Ported 312cc Cylinder Heads 6.2L L86 L87

PRC LT1 Aftermarket Casting 312cc CNC Cylinder Heads Fits 2014-Newer Gen V LT-Based 6.2L Engines LT1 L86 L87 (Not for LT4) Extensive CNC and dyno testing has resulted in one of the most...