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OBS

Swapping an OBS Truck?

Check out all of the items below to make your swap easier. 

1988 - 1998 OBS Chevy Silverado Suburban Tahoe & GMC Sierra Yukon

Whether you call it a C1500, Silverado, Cheyenne, Scottsdale, GMT400, 454SS or an OBS;  With millions of Trucks produced by General Motors from 1988 - 1998, the Chevy and GMC pickups, Tahoes and Suburbans have become popular platforms for LS and LT swaps. PSI has answered the call for direct fit, plug and play items and kits to fit anyone's budget and performance requirements. On this page you will find an entire catalog of items, designed with the enthusiast in mind. From plug and play wiring harnesses to fuel system upgrades, motor mounts and accessory drives. PSI has the parts you need to get you Wired Up and Fired Up!!

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