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Real experience
We test before we recommend.
PRODUCT DESCRIPTION
ZRP "Heavy Duty" I-Beam Connecting Rods for Nissan GTR VR38 DETT are designed for high power/boost applications. Manufactured from the finest raw materials, 4340 high tensile steel with a specially optimized shape for high performance and extreme durability. Straight cut small end increases durability, so they can only be used with aftermarket pistons. Bushings are made from AMPCO 18 material, which offers excellent wear and fatigue resistance, and feature a radial groove that acts as an oil reservoir. Shot peened for material stress relief and multi-stage heat treated for increased rigidity. Strict tolerances in the production process ensure a perfect fit and optimize oil clearances. Bend and twist are strictly controlled. Each connecting rod includes 3/8 ARP 2000 cap fasteners which are rated to 220,000 psi, optional 260,00 psi ARP L19 material available as an upgrade and the entire kit is supplied with ARP moly and full assembly instructions. Additional Machining Processes "Straight Cut" small end - suitable for aftermarket pistons Pin bush bore for perfect fit and accurate re-assembly Interlocking cap relief for increased big end integrity in extreme applications Thrust face grooves for weight reduction ZRP Connecting Rod Technical Features I-Beam shape for increased rigidity Two-piece forging for great strength Shot peened for improved fatigue life Magnaflux inspection ensures the consistency of the forged material meets our high quality standard Double ribbed caps for extra support Multi-stage heat treatment for maximum strength, dimensional stability and fatigue life. CNC machined for superior tolerances, accuracy up to 0.0002". Center to center distance maintained within 0.001" tolerance. Finite Element Analysis (FEA). Computer generated stress analysis of the connecting rod. Optimal balancing for weight-matched sets of ± 1 gram.










WHY THETUNERLAB
We have spent years building cars, racing, and testing the exact same parts that we sell.
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We test before we recommend.
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We help you choose the right part.
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Only trusted manufacturers.
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Before and after the purchase.
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Each product indicates compatible models in the product description. If you have any questions, you can contact us and we will help you choose your best option.
-If the product is in stock, the usual delivery time is 2 to 5 working days.
-If the product is out of stock, the delivery time is 7 to 15 working days.
All our products come with the manufacturer's official warranty and comply with current regulations.
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For some products, especially large items or those with special characteristics, shipping costs may require a manual review. If the amount shown does not match the actual shipping cost, we will contact you before processing the order to inform you of the final cost and request your confirmation before proceeding. We will never charge any additional fees without your authorization.