Out of stock
SKU: PQX60375217
MPN: 60375217
The Sportsman Series R/A's - 97+ 4.8-6.2L 1.7x8mm rocker arms from PRW Industries represent a purposeful upgrade for serious small-block and mid-size V8 builders who demand reliability without excessive cost. Designed for late-model GM engines spanning the 4.8L through 6.2L displacement range, these rocker arms address the real-world needs of street performance, truck modifications, and entry-level competition builds. If you're refreshing a tired cylinder head, upgrading cam timing geometry, or simply replacing worn OEM rockers with components built to tighter tolerances, the Sportsman Series delivers proven durability and consistent valve actuation across the entire RPM band.
These rocker arms feature a 1.7x8mm geometry—a critical dimension that directly influences valve lift multiplication, rocker arm ratio, and the mechanical advantage transferred to your pushrods and valves. The precision casting and finished bore diameter ensure minimal lateral play while maintaining proper clearance with adjacent engine components, which is especially important in tightly packaged LS-series applications where fractions of a millimeter matter. PRW Industries engineers these components for consistent performance across stock and mildly modified cam profiles, eliminating the risk of rocker-to-guide contact or valve-to-piston interference that plagues budget alternatives.
These rocker arms are ideal for truck enthusiasts, hot rod builders, and engine rebuilders working on 97+ LS-platform trucks, SUVs, and performance vehicles equipped with 4.8L, 5.3L, 5.7L, 6.0L, or 6.2L engines. Installation requires no modifications to existing cylinder heads, and they pair seamlessly with factory or aftermarket pushrods and valve springs rated for mild to moderate lift. Whether you're assembling a complete short-block, refreshing a stock head, or validating a cam upgrade, verify pushrod length and spring rate compatibility with your specific application before final assembly to ensure optimal geometry and longevity.
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