Hydraulic Roller 4.060 " Bore 12D LS3 Heads Feature LS7 Valve Location Deck Height_ 9.24" the valve angle has been

the valve angle has been stood up to 9

SC2 & GV2 4500 BA intake is designed for engines making 850+HP street

These have a

One pair of Bare 12 Degree Inline LS Oval Port BE cylinder heads CNC ported and valve jobbed (55 Degree valve seats) with CHE valve guides and CHE Bronze valve seats

Hydraulic Roller 4.060 " Bore 12D LS3 Heads Feature LS7 Valve Location Deck Height_ 9.24" the valve angle has beenCID LS3 4. 060" 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