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GM Fullsize SUV / Truck 1955-66
1974-1978 Pontiac Grand Safari
3135 in Valve Stem
RPM E-Tec heads are dual-drilled and will accept 1987-95 centerbolt and/or 1986 & prior perimeter flange mount valve covers and most stock exhaust manifolds
Kit includes a threaded filter nipple
Innovate Motorsports LM-2 to O2 Sensor Data Transfer Cable - 3 ft Long 421997 GM Fullsize SUV / TruckNOTE: The latest generation Innovate Motorsports widebands are compatible with both the Bosch LSU 4. 2 and 4. 9. It is also possible to verify which sensor is currently being used by connecting your Innovate product to the LM Programmer software. Innovate Motorsports develops, markets, manufactures, and supports universal digital tuning tools for internal combustion engines. The companys core technologies are patent pending digital circuits that