CID LS7 12D PA (Power Adder) BE Cylinder Heads 400 + CFM - 2.9" MCSA - Suit 4.125" Bore - Std Exhaust Height - 60CC Chamber (Per PAIR) Deck Height_ 9.24" Near equal length runners that

Near equal length runners that are 5" in area at the plenum opening with enough material to increase area to 5

Oversize rocker gear posts for maximum rigidity with Jesel rocker gear available for purchase

LS Billet Valve Covers by Williams Performance Products out of California have been a popular choice amongst customers for clearing the popular steel arm valve train brands

6063 - T6  Aircraft Grade Aluminum

The SC1 4500 BA  intake is designed for engines making 850+HP street

CID LS7 12D PA (Power Adder) BE Cylinder Heads 400 + CFM - 2.9" MCSA - Suit 4.125" Bore - Std Exhaust Height - 60CC Chamber (Per PAIR) Deck Height_ 9.24" Near equal length runners thatCID LS7 2. 9" MCSA 12D PA (Power Adder) BE Cylinder Heads suit 4. 125" Bore 60CC Chambers LS7 Inline 420 CFM Cylinder Heads One pair of Bare 12 Degree Inline LS7 12D 2. 9" MCSA Port BE cylinder heads CNC ported and valve jobbed with CHE valve guides and CHE Ductile Iron valve seats. Standard height exhaust port fits all existing headers. Developed by Greg Good the LS7 2. 9" Intake port is the smallest LS port we offer on the shaft mount castings. They