BTR LS1 Canted Valve 6-Bolt CNC Ported Assembled Cylinder Heads (Pair) - BTR-CVH1C-6A
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BTR CNC-ported, assembled canted-valve cylinder heads for LS1 applications. Supplied as a pair with LT1-type valves and BTR .660-inch Platinum valve springs.
Specifications
- Part number: BTR-CVH1C-6A
- Cathedral intake ports: 250cc; combustion chambers: 63cc
- 2.125-inch hollow-stem steel intake valves; 1.590-inch steel exhaust valves
- Intake angle: 11 degrees with 5-degree cant; exhaust: 13 degrees with 3-degree cant
- Minimum bore: 3.780 inches
- Six-bolt configuration with .750-inch deck
- Powdered-metal valve guides
Compatibility and installation
Accepts straight LS1 pedestal rockers, LS-style valve covers and OEM-style intake/exhaust manifolds. Requires Gen V LT long-reach spark plugs. Allows 3/8-inch pushrods; typical lengths are 7.925–8.025 inches intake and 7.900–8.000 inches exhaust. Measure your engine before selecting pushrods.
Use LS1 rocker bolts. Check accessory/dipstick bolt length: the M10x1.5 hole is shallower than OEM. Apply suitable thread sealant where intake rocker bolts intersect the ports. Verify all engine clearances before assembly.
