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Engines and Components› Connecting Rods and Components

Carrillo

Piston Subaru EJ257 WRX STI (stroker) 4 Cyl Bore (in) 3.927 Bore (mm) 99.75 Size 0.25mm Stroke 83 (SET OF 4 )

$1,049.00 $885.15 Save $163.85

SKU: C001 7670SET

In Stock
In Stock
Ships by Jun 20
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Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Moderate — 2–4 hours

Description

High-performance connecting rods for Ford 7.3L Powerstroke engines, crafted from proprietary Carrilloy Steel (chrome, nickel, moly, vanadium alloy) with an Ultimate Tensile Strength (UTS) of 195,000 and yield of 182,000. Each rod is made from an oversized forging, undergoing multiple magnaflux and Rockwell tests. Includes WMC-H7 (H11) bolts (220KSI UTS) and a Mahle steel bushing with Cap Relief for improved oil evacuation.

Fitment

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

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Specifications

BrandCarrillo
Part NumberC001 7670SET

Buy with Confidence

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.

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