MADE IN USA
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MADE IN USA

The D-Force product line is a series of roller tip rocker arms for the high performance diesel aftermarket. 
Reduce friction, increase performance and maximize your valvetrains strength and durability with
2024 billet aluminum rocker arms from Harland Sharp.

Stock and increased ratios now available for most applications including:
12VCummins
24V Cummins
6.0L Ford Power Stroke
6.5L GM Diesel
6.6L GM Duramax
International Harvester DT466
Custom Applications

 These Rocker Arms are a Custom Order!
Lead times vary per application.
Click your application for specified lead times.