Brian Tooley Racing BTR-CVH1P-6U - BTR CANTED VALVE LS CYLINDER HEAD - LS1 6 BOLT - PORTERS CASTING

Brian Tooley Racing BTR-CVH1P-6U - BTR CANTED VALVE LS CYLINDER HEAD - LS1 6 BOLT - PORTERS CASTING

Cylinder Head - Bare - 2.125 / 1.590 in Valves - Angle Plug - Aluminum - LS1 - GM LS-Series - Each

BTR CANTED VALVE LS CYLINDER HEAD - LS1 6 BOLT - PORTERS CASTING - BTR-CVH1P-6U

BTR exclusive canted-valve design allows for maximum valve unshrouding and sizing - Cathedral fits a 3.780" bore, LS3 style fits a 3.820" bore! 11° intake (5° canted) and 13° exhaust (3° canted) Cast in Iowa - Designed, tested, machined & sold in Kentucky! Intake flow - Over 360 CFM at .650” when used with BTR’s port program! Uses OEM LT1 2.125” steel hollow-stem intake and 1.590” steel exhaust valves LT4 Ti intake and L8T Inconel™ exhaust valves can also be used with lash caps Superior OEM-type powdered metal guides 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 and valve spring kits up to 1.350” O.D. spring Clears 3/8” pushrods – Typical length intake 7.925-8.025” & exhaust 7.900-8.000” Extra-thick .750” boost-friendly deck in popular “6-bolt” configuration BTR / Wiseco Canted-Valve specific pistons available for most popular LS applications Multiple Patents Pending! This cylinder head ships partially machined with finished valve guides and unfinished valve seats installed for cylinder head porters to customize for their application. Valves, springs & valve spring hardware are not included. Final port sizing, chamber sizing, decking and other parameters are at the cylinder head builders’ discretion.