Hydraulic Roller 4.070 " Bore 12D LS3 Heads Feature LS7 Valve Location

CID LS3 4.070" Bore Hydraulic Roller cylinder heads feature a factory LS7 intake valve location with a shifted exhaust valve location to clear the smaller bore and accept OEM or aftermarket OEM Replacement Valvetrain Rocker Gear. Valve lengths for our hydraulic cylinder heads measure 5.550 " OAL. Rocker arm pedestals are machined into our shaft mount rocker pad area, making them extremely rigid with the rocker bolts engaging deep into shaft mount pad that extends down to and is integral with the deck. Machined from the same robust casting as our renowned shaft mount cylinder heads they are available with water or in a solid casting without water. Cylinder Heads come standard with CHE Bronze valve guides and CHE Ductile Iron Valve Seats. Available options are Bronze CHE valve seats, Steel Exhaust guides with K Line inserts for the power adder crowd and chamber softening. Ports developed by CT Porting.