Description
Product Overview
The JE Pistons 0.927in (2.750in long) 51‑Series Wrist Pin is crafted from polished low‑carbon steel (5115 grade), delivering a maximum shear strength of approximately 350‑850 MPa. This high‑precision pin features a smooth finish that reduces friction and wear, ensuring a reliable connection between piston and connecting rod. Packaged in a set of 51 pieces, each pin meets strict OEM specifications (part number 927‑2750‑15‑51S) for perfect fit in a wide range of automotive engines.
Usage
Designed for engine rebuilds, performance upgrades, and replacement applications, this wrist pin excels in high‑stress environments such as racing, off‑road, and daily driving. It is ideal for mechanics, rebuild shops, and DIY enthusiasts who demand consistent performance and durability. 
Why Choose Us
JE Pistons is renowned for precision engineering and rigorous quality control. Each pin undergoes thorough testing to verify shear strength and dimensional accuracy, guaranteeing a seamless fit and long service life. Our commitment to using premium 5115 low‑carbon steel ensures resistance to fatigue and deformation, giving you confidence in every rebuild.
Key Features
- Polished low‑carbon steel finish for reduced friction and wear
- High shear strength (350‑850 MPa) suitable for performance engines
- Exact OEM dimensions for 0.927in diameter and 2.750in length
- Pack of 51 pins provides ample supply for multiple projects
- Backed by JE Pistons’ reputation for quality and reliability
FAQ
What engines are compatible with this wrist pin?
The 0.927in diameter and 2.750in length make it compatible with many small‑block and V‑type engines that use the 51‑Series specification, commonly found in performance and replacement applications.
How does the polished finish benefit engine performance?
The polished surface reduces friction between the pin and surrounding components, leading to smoother operation, lower wear rates, and improved overall engine efficiency.
Can I use these pins for a high‑performance rebuild?
Yes, the high shear strength and precision machining make these pins suitable for high‑performance and racing engines where durability and exact fit are critical.
Do the pins require any additional treatment before installation?
No additional treatment is needed; the pins are ready to install straight from the package. Ensure proper lubrication during assembly for optimal results.
What is the warranty on JE Pistons wrist pins?
JE Pistons offers a limited warranty covering manufacturing defects, reflecting their confidence in the product’s quality and durability.
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