Details
05 GTO M6 - Stock shortblock - ETP 225 heads - Kooks headers - 490 RWHP
Don't be fooled by copy-cat versions!
This is the original POWER-MAKER!
Designed for, and works BEST with 383 or larger engines with high compression!
Piston to valve clearance must be verified!
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Includes:
The ORIGINAL and often copied "HELLRAISER" Camshaft
Specs: 238*-242*-111*-.650"-.620"
PAC 1221 or Comp Cams 26921-16 Valve Springs
FTI Hardened & Machined Spring Locators
FTI Custom Seven Degree Titanium Retainers
FTI Hardened Seven Degree Valve Locks
Steel Shelled Viton Valve Seals
FTI RACE-Series Three-Piece, Heavy Wall Pushrods