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The CID Heads BA LS7 intake manifold is designed for engine applications aiming to make serious HP using LS7 cylinder heads with a single plane intake
With an extremely wide flat rocker bar surface they offer unmatched rigidity for even the most severe valve train environment
9" of Minimum Cross Section
Steel Exhaust guides with K Line inserts for the power adder crowd and chamber softening
The CID Heads BA 5
Hydraulic Roller 4.060 " Bore LS7 Heads suit OEM style Rocker Gear. Valve Seat Upgrade:CHE Bronze Alloy Intake & Exhaust Valve Seat The CID Heads BA LS7CID LS7 4. 060" Bore Hydraulic Roller cylinder heads feature factory LS7 intake valve locations 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 roller 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 boltsc engaging deep into shaft