CID LS7 12D PA (Power Adder) BE Cylinder Heads 400 + CFM - 3.3" MCSA - Suit 4.125" Bore - Std Exhaust Height - 60CC Chamber (Per PAIR) Intake Manifold_LS3 Weighs 29 LBS

Weighs 29 LBS

0 D3 4150 Intake Manifold to suit a 9

As Cast Intake Port DM470 will flow over 470CFM with 2

CID LS 12D Oval Port BE Cylinder Heads suit 4

CID Heads LS-CR 5

CID LS7 12D PA (Power Adder) BE Cylinder Heads 400 + CFM - 3.3" MCSA - Suit 4.125" Bore - Std Exhaust Height - 60CC Chamber (Per PAIR) Intake Manifold_LS3 Weighs 29 LBSCID LS7 3. 3" 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 3. 3" 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 3. 3" Intake port flows 400+CFM, with almost 300CFM at just . 400" lift with a 2.