Sunnen SH-4000 Honing Machine - Engine Builder Magazine
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Sunnen SH-4000 Honing Machine

Sunnen’s SH-4000 honing machine delivers the tolerances that top builders require for high-performance engine parts. Its bore concentricity and parallelism minimize friction, limit wear, and improve engine response across the rev range.

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Joe Moch, of Oliver Racing Parts, with his Sunnen SH-4000 and a precision-honed connecting rod.

Sunnen’s SH-4000 honing machine delivers the tolerances that top builders require for high-performance engine parts. Its bore concentricity and parallelism minimize friction, limit wear, and improve engine response across the rev range.

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The Sunnen SH-4000 holds bore-to-face perpendicularity to less than 0.0003” and bore diameter to within 0.0001”. It also closely controls the crosshatch pattern for better bearing performance. With consistent repeatability and direct spindle tooling that reduces setup time, the SH-4000 is the rod hone that engine builders trust.

For more information: 1-800-325-3670 or www.sunnen.com.

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