Engines and Components Pistons and Piston Rings

GPI (Gwatney

6.125-Inch Connecting Rod

$824.00

SKU: GWA/CSC6125DS2A2AH

Special Order
Special Order
Ships in 4–6 weeks
Free Shipping over $200
$100 Minimum Order
30 Days Return
INSTALL DIFFICULTY
DIY PRO SHOP

Advanced — 4+ hours

Overview

The Gwatney Performance GWA/CSC6125DS2A2AH is a complete piston and connecting rod package designed for Gen 5 LT1 (6.2) engines. This kit is engineered for boosted applications, supporting over 1000 HP. It is specifically designed for forced induction 2014+ Corvettes and 2016+ Camaro SS models.

The package features a 4.070" bore solution, enlarged by .005″ from the standard 4.065″ bore drop-in piston for those with increased bore sizes. It includes H-beam connecting rods and is compatible with Gen. 3/4/5 Chevy LS and Gen 5 LT engines.
Show original supplier description
The Callies Compstar H-beam connecting rod set embodies the principle of high value and affordability in engine component design. These connecting rods are engineered with meticulous attention to detail, ensuring dimensional repeatability and providing the correct clearances required for high-performance applications right from the packaging. This focus on precision saves valuable time during engine builds and offers peace of mind. Constructed from forged 4340 steel, these H-beam connecting rods feature a 6.125-inch length (center to center), a .927-inch piston pin size, and a 2.100-inch rod journal size. The H-beam design is known for its strength and efficiency, making it suitable for demanding engine builds.

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

BrandGPI (Gwatney
Part NumberGWA/CSC6125DS2A2AH
CategoryEngines and Components

About MOTORMIA

5,000+ Trusted brands
1M+ Enthusiasts
5M+ Parts sold

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