Selling a pair of genuine ET Performance / ETP LS7 4.0 six-bolt aluminum cylinder heads. These are ETP's purpose-built aftermarket LS7 castings, not ported factory GM LS7 heads, and they're assembled with a serious valvetrain package.
*Details:*
- ETP / ET Performance LS7 4.0 castings
- 4.000" bore-compatible
- 6-bolt design for additional clamping with compatible blocks
- Receiver groove for top fuel hoops
*Valvetrain Package (Fully Assembled as Pictured):*
- 2.200" Stainless Intake Valves
- 1.600" Inconel Exhaust Valves
- Ferrea S10076 Dual Valve Springs - 540 lb/in rate
- 262 lb @ 2.000" / 640 lb @ 1.300"
- .750" max lift capable
- Xceldyne XRE530-LTW Ti-17 Lightweight Titanium Retainers
- 8° Locks
These heads combine the 4.0" bore LS7 configuration, six-bolt architecture, large 2.200"/1.600" valve package, big dual springs, and lightweight Xceldyne titanium retainers. Well suited to serious high-RPM N/A, nitrous, or boosted LS combination.
*Condition:* Used condition with normal cosmetic wear from use and storage. No cracks, no damage. Everything pictured is included. Ready to bolt on after your final inspection.
Also have T&D rockers available - ask if you need them.
