Fel-Pro Perma Torque Head Gasket - Composition Type - 4.180" Bore - .039" Compressed Thickness - SB Chevy 32020R The sensor is fitted with

The sensor is fitted with a laser etched calibration chip which prevents the need for free air calibration when used with the AutoMeter gauges for which they are specifically designed

AFR's trademark 3/4 thick head deck makes them ideal for heavy nitrous or blower applications

Wave Loc symetrical waves have an effective interference range of

This system uses a computer designed

Exhaust Side Pipes

Fel-Pro Perma Torque Head Gasket - Composition Type - 4.180" Bore - .039" Compressed Thickness - SB Chevy 32020R The sensor is fitted withFel Pro deliver reliable sealing under grueling racing conditions. From the leader in aftermarket engine sealing, FEL PRO the gaskets professionals trust. Each gasket, set, or seal is built to meet or exceed all original equipment specifications and is validated for fit, form, and function. GMP Performance V8, 265 (4. 3L), 283 (4. 6L), 302 (4. 9L), 307 (5. 0L), 327 (5. 3L), 350 (5. 7L), 400 (6. 6L); Loc Wire Loc Wire requires that a special receiver