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The COMP Cams Hi‑Tech Xtreme belt drive for Chevrolet Small Block applications combines an extreme‑duty belt (1.250" thick) with an infinitely adjustable Vernier sprocket for precise timing. Its idler system reduces belt flap and the design absorbs crankshaft harmonics to prevent valve train instability. Double lip seals extend service life, making the system suitable for demanding street and race use where timing accuracy matters.
COMP Cams Belt Drive CS Hi-Tech Xtreme
