The 5.3L engine used in Chevy and GMC trucks and SUVs is an economical and popular swap for older vehicles. Developed as a truck engine, it was designed with a broad torque band that’s great for low-rpm grunt, but Chevrolet Performance’s engineers have developed a new high-output camshaft kit – part number 88958775 – that extends the 5.3L’s performance range with more high-rpm horsepower – up to 25 more horsepower! You get the same great torque, but with more of the high-revving horsepower you want from a performance engine. The kit includes the new, higher-lift camshaft and a complementing set of valve springs. It makes a great upgrade for installations, including our own, economically priced LC9 5.3L crate engine – part number 19259918 – or an upgrade to your existing late-model truck equipped with a 5.3L engine.
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