Once your LFP kit is installed, you will have the option to adjust your vehicle's boost level by simply changing the outer pulley ring to any of the available LFP pulley rings, a process that takes a few minutes.
1988-94 Chevy GMC OBS Truck 5.7 5.0 Lower Crank Pulley 10085754 Serpentine Belt
Nos 1957-1964 Y Block Two Row Lower Crank Pulley Balancer C3TE-6316-E Car ?
88-89 Acura Integra D16a1 Lower Crank Pulley
2004-2003 Ford Mustang SVT Cobra Supercharger Lower Crank Pulley 03 04 ford
1999-2004 Ford Lightning Supercharger Lower Crank Pulley 02 03 Harley F150 5,500