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• Performance Cam For Computer Cars • Needs Aftermarket Chip, Exhaust & Mild Stall • Strong Mid-Range & Top End
• Adjustable Valve Train Required
*Balance shaft equipped 4.3L engines were introduced in '92 but GM continued to produce the previous version until '94. Non-balance shaft 4.3L's ('85-'94) shared their timing cover with the small block Chevy V8 engine. The balance shaft 4.3L's timing cover is noticeably taller than the non-balance shaft version.