Sale

Engines and Components› Connecting Rods and Components

Tomei

Forged H-Beam Connecting Rods for Nissan RB26DETT/RB25DE(T)

$1,080.00 $972.00 Save $108.00

SKU: TA203A-NS05A

In Stock
In Stock
Ships by Sep 9
Free Shipping over $200
$100 Minimum Order
30 Days Return
INSTALL DIFFICULTY
DIY PRO SHOP

Advanced — 4+ hours

Overview

The Tomei TA203A-NS05A is a set of forged H-beam connecting rods designed for Nissan RB26DETT and RB25DE(T) engines.

These connecting rods feature an H-beam construction for enhanced strength and rigidity. The set includes ARP L19 bolts and has a center-to-center length of 121.50mm, matching OEM specifications. They are made from SNCM439 material.
Show original supplier description
The Tomei TA203A-NS05A is a forged H-beam connecting rod set engineered for high-performance Nissan engines, specifically the RB26DETT and various RB25DE/RB25DET variants, including NEO6 models. Constructed from robust SNCM439 material, these connecting rods feature an H-beam design that significantly increases their strength and rigidity compared to standard cast components. The set includes ARP L19 bolts with a 3/8-24 thread and a length of 40.0mm, ensuring secure and reliable fastening. The center-to-center length is precisely 121.50mm, aligning with OEM specifications. Specifications for the TA203A-NS05A include a big end bore of 51.0mm and a width of 21.8mm. The small end bore is 21.0mm with a width of 21.8mm. The bearing size is specified as an inner diameter of 48.0mm and a width of 17.0mm. Each rod weighs 528.0g. These connecting rods are compatible with a range of Nissan models including the Skyline R32, R33, and R34 GT-R and GTS-T.

Product descriptions are provided by our supplier partners and may not always be perfectly accurate. Not sure this fits? or call (760) 282-4645 and we’ll verify before you order.

Fitment

Fitment Guaranteed

Don’t gamble
on fit.

Log your build in the MOTORMIA app and we’ll guarantee this part fits your exact setup — or your money back, return shipping covered.

Available on iOS & Android

Specifications

BrandTomei
Part NumberTA203A-NS05A
CategoryEngines and Components

We’re here — turning wrenches, just like you.

Call us, follow along, or come say hi.

(760) 282-4645 Instagram Google

Buy with Confidence

Returns & Fitment

Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.

View Full Return Policy

Shipping

Orders are processed in 1–3 business days. In stock parts ship promptly from our partner network. Special-order items either aren’t currently stocked or are built to your spec — expect 4–6 weeks. If a part goes on backorder while your order is in the queue, we’ll reach out and work through discounted alternatives together.

Free shipping over $200 in the continental US. Alaska, Hawaii, U.S. territories (Puerto Rico, U.S. Virgin Islands, Guam, American Samoa, and the Northern Mariana Islands), and international orders carry surcharges — most appear at checkout. Some exceptions (LTL freight, or suppliers who quote freight only after we place the order) won’t. In those cases we’ll reach out with the exact charge before your order moves forward.

View Full Shipping Policy