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Our new HP1 Series LS1 pump is a perfect upgrade for your stock Chevrolet Camaro, Pontiac Firebird, or other LS1-swapped vehicle. Starting with a true GM Type II pump, we modify the internals to perform better, reducing fluid temperatures and saving engine horsepower. All Turn One power steering pumps are 100% new and hand-built in the USA, then individually dyno tested to ensure top quality and performance.