FASS Adjustable Fuel Pressure Regulator Cummins 9L automatic transmission version will

9L automatic transmission version will eliminate the factory transmission fluid heat exchanger

Exhaust leaks can rob your engine of horsepower

For 24V Engines Only (for 12V engines

1985 GMC P3500 Base

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FASS Adjustable Fuel Pressure Regulator Cummins 9L automatic transmission version willFASS Fuel Systems Adjustable Fuel Pressure Regulator (FPR1001) Part No: FPR1001 Supersedes Part No: FPR 1001 The FASS Fuel Systems Adjustable Fuel Pressure Regulator is intended for aftermarket performance applications requiring higher fuel pressures than a typical daily driver. These applications can vary from drag race vehicles, competition pulling trucks, or high performance marine applications. For your convenience we have pre drilled and tapped a