Duramax Pushrods Series 3
Specs:
- Length: 9.430 in
- Diameter: 7/16
- Wall Thickness: .120
- Fits: 2001-2017 Duramax
Introducing our 6.6L Duramax Diesel Pushrods: OEM versions lack sufficient strength beyond stock applications. Excess stress can reduce power, increase fuel consumption, and cause engine damage.
We offer 3/8 and 7/16 diameter pushrods crafted from 4130/4135 seamless Chromoly tubing. These include various heat-treating options and standard billet steel tip ends for durability. Our pushrods feature CNC-machined 86L20 bar stock tips, core hardened and triple tempered. This ensures superior impact and wear resistance, extending pushrod life and enhancing valve train performance.
Our engineering flexibility allows customization to meet your engine’s specific requirements. Upgrading from 3/8 to 7/16 tubing evenly distributes load without cylinder head port binding. This doubles loading capacity before pushrod deflection, optimizing performance in all Duramax engines.
For enhanced strength, performance, and longevity, consider our Series 5 pushrods for competitive engines. They offer an additional 105,000 p.s.i. tensile strength over Series 3, improving valve timing accuracy. Series 5 pushrods are renowned for durability in top-tier motorsport applications annually.
For engines needing custom pushrod lengths, our tools ensure accurate replication of OEM specifications. Maintain stock rocker arm geometry for proper valve bridge contact and optimal performance. Incorrect lengths disrupt lifter oil flow, leading to overheating and damage to critical engine components.
Pushrods are crucial yet often overlooked, impacting engine performance and longevity significantly.
Questions? Contact us at (951)245-6565.
*Switching to hybrid Cummins pushrods? Let us know about any different tappet ends.











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