CID LS7 12D BE Cylinder Heads 420 + CFM - 3.3" MCSA - Suit 4.125" Bore - Std Exhaust Height - 45CC Chambers (Per PAIR) - 12 Fuel Rail Extrusion 45" Aftermarket Mid Deck Blocks

45" Aftermarket Mid Deck Blocks

The SB Ford SC1

valve jobbed with 57cc CNC Chambers

Suits LS1 Long Fuel Injectors

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

CID LS7 12D BE Cylinder Heads 420 + CFM - 3.3" MCSA - Suit 4.125" Bore - Std Exhaust Height - 45CC Chambers (Per PAIR) - 12 Fuel Rail Extrusion 45" Aftermarket Mid Deck BlocksCID LS7 12D 3. 3" MCSA BE Cylinder Heads suit 4. 125" Bore 45CC Chambers LS7 Inline 420 + CFM Cylinder Heads One pair of Bare 12 Degree Inline LS7 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 using the LS7 2. 9" Intake port as a building block, the cross section was increased to 3. 3" to create a mid