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1988-98 GM OBS Truck LS Swap and Conversion Parts for Sale

Whether you call it a GMT400, Chevy OBS, Silverado or Sierra, we have you covered.  Looking to LS or LT swap your 88-98 OBS Chevy or GMC truck? PSI can get you set up with everything you need to get your ride 'Wired up and fired up!". From our Harnesses Made in the USA with high quality wire and different loom options to suit your needs, Our PCM tuning service where we can get you set up with a base tune for your engine and transmission, Engine & Transmission Mounts, Dakota Digital gauges, Accessory Brackets, Oil Pans, ETC.  Clink on the Links below for all of the items proven to work with your OBS Truck. Conversion Parts from 1988 1989 1990 1991 1992 1993 1994 1995 1996 1997 1998 1999 Silverado, Sierra, Blazer, Tahoe, Suburbans.

  • 1988 - 1994 Chevy/GMC Pickup VHX Digital Gauge Cluster

  • 1988-94 Chevy/GMC Pickup HDX Digital Gauge Cluster

  • 1995-98 Chevy/GMC Pickup VHX Digital Gauge Cluster



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