Product Description
Michigan Motorsports 1.890-Inch and 1.550-Inch Stock Replacement LS Valve Set
Includes 8 Intake and 8 Exhaust Valves for 1999-2006 Cathedral-Port Heads
Freshen up a compatible stock or mild-performance LS engine with this Michigan Motorsports stock replacement cylinder head valve set. Designed as a direct drop-in replacement for the factory-size valves, the complete 16-piece set includes eight 1.890-inch intake valves and eight 1.550-inch exhaust valves. These replacement LS valves fit 1999-2006 cathedral-port cylinder heads with casting numbers 706 and 862 used on the listed LM7, L59, LR4 and LM4 engines. For higher-performance and racing combinations, see our available stainless-steel valve options.
Key Features & Benefits
- Complete 16-Valve Set: Includes eight intake valves and eight exhaust valves for servicing both cylinder heads on a compatible V8 engine. The complete set supplies the specified intake and exhaust valve quantities together.
- Direct Drop-In Replacement: Designed to replace the corresponding factory 1.890-inch intake and 1.550-inch exhaust valves. The stock-size configuration makes this set an application-specific option for refreshing a compatible factory or mild-performance LS engine.
- 1.890-Inch Intake Valves: The set contains eight 1.890-inch intake valves corresponding with the factory intake-valve size used in the supported cathedral-port cylinder heads.
- 1.550-Inch Exhaust Valves: Eight 1.550-inch exhaust valves are included to complete the exhaust side of the cylinder heads. The specified diameter matches the supported factory exhaust-valve configuration.
- Cathedral-Port LS Compatibility: Fits the supplied 1999-2006 cathedral-port head applications with casting numbers 706 and 862. Compatible engine codes include LM7, L59, LR4 and LM4.
Key Fitments
- 1999-2006 Cathedral Port Head Casting Numbers 706 862
- Engine Codes: LM7 L59 LR4 LM4
