BTR Cylinder Head - Rectangle Port

Brian Tooley Racing LS3 Canted Valve Cylinder Head - Sold Individually Product details: LS3 Rectangle Port Fits 3.820" or larger bore CNC Ported 6 Bolt Casting 260cc Intake Runner .660 Platinum Dual Valve Spring Installed 64cc Chamber Extra-thick .750” boost-friendly deck  100% MADE IN USA - Cast in Iowa - Designed, tested & machined in Kentucky! Manufacturer's Specs & Info Rotated the intake 5° and exhaust 3°, we’ve seen over 360+ CFM of intake flow… at only .650” lift! Hollow Stem 2.125 Intake Valve and 1.590 Exhaust Valve This cylinder head is sold individually and ships fully machined and CNC ported with finished valve guides and seats installed LT1 type valves are installed to correct height with our .660" lift Platinum spring kit, ready for your stock type LS1 rocker arm setup. 11° intake (5° canted) and 13° exhaust (3° canted) Utilizes OEM-style straight LS1 pedestal rockers, OEM-style intake & exhaust manifolds, and LS-style valve covers Uses Gen V LT style long reach spark plugs Clears 3/8” pushrods – Typical length intake 7.925-8.025” & exhaust 7.900-8.000”