Fluidampr Harmonic Balancer LS SBC -1998-2006 - Camaro / Firebird / GTO Zeta IV With the addition of these

With the addition of these headers all restriction created by the OEM exhaust manifolds and catalytic converters will be eliminated

Maximum valve lift is 13

Downpipe Mounting Nuts (4x)

For up to 8000rpm and 35psi boost Kelford Cams recommend valve spring KVS63-BTK

You can also run Precision 6870 through to 7675 and we will be testing up to the 8685 soon

Fluidampr Harmonic Balancer LS SBC -1998-2006 - Camaro / Firebird / GTO Zeta IV With the addition of theseBroad RPM range protection. Reduce risk of crankshaft failure. Reduce wear on critical engine parts. Unleash lost torque & horsepower. No maintenance required. Superior durability. SFI 18. 1 spec. Race proven for over 35 years. Made in USA.