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Your cart is empty.Michigan Motorsports 1.89"/1.55" Stock Replacement Valve Set Fits 1999-2006 Cathedral Port Head Casting Numbers 706 862 Fits Engine Codes: LM7 L59 LR4 LM4 Includes 8 x 1.890" Intake Valves and 8 x 1.550" Exhaust Valves Michigan Motorsports' standard replacement valves are an affordable option to freshen up your stock or mild performance LS engine. These valves are designed to be a direct drop-in replacement for the factory 1.890" Intake and 1.55" Exhaust valves on the applications listed above. For higher performance and racing applications, be sure to check out our stainless valve options!
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