The factory connecting rod bolts on the S14 are good, but they are decades-old technology designed for stock power and standard street driving. When you start chasing apexes, upgrading cams, or just stretching the legs of your E30 M3 the way BMW intended
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Brand:
ES#:
5470803
Mfg#:
301-6032
Ships on Jun 23, 2026
18% off MSRP
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
$21.99
This product was last offered at the strikethrough price on 06-05-2026
Premium-tier OEM replacement designed to restore a factory-tight seal to your vehicle's lubrication system.
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Featuring Turner Motorsport WPC-Treated "Race Series" rod bearings for added wear resistance and longevity!
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Brand:
ES#:
4871861
Mfg#:
11241310515KT
Ships on Nov 27, 2026
ON SALE!
SAVE 16%
$769.99
This product was last offered at the strikethrough price on 05-02-2026
Upgrade your S14B23 engine with the JE Pistons 8.5:1 Piston Kit, built for ultimate reliability and performance in high-boost environments. Whether you're building for the track or the street, JE Pistons give you the edge.
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Upgrade your S14B23 engine with the JE Pistons 8.5:1 Piston Kit, built for ultimate reliability and performance in high-boost environments. Whether you're building for the track or the street, JE Pistons give you the edge.
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Upgrade your S14B23 engine with the JE Pistons 8.5:1 Piston Kit, built for ultimate reliability and performance in high-boost environments. Whether you're building for the track or the street, JE Pistons give you the edge.
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Take your BMW’s performance to the next level with the JE Pistons BMW S14B23 13.0:1 Compression Kit, built for those who demand the highest level of precision and reliability from their engine components. Perfect for track use or spirited street driving
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Upgrade your BMW S14B23 with the JE Pistons 13:1 Piston Kit, engineered to provide the power and precision needed to dominate on the track or street.
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Built to withstand the rigors of motorsport and aggressive driving, the JE Pistons BMW S14B20 13.0:1 Piston Kit is the ultimate upgrade for drivers seeking enhanced power and performance in their naturally aspirated engines.
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Whether you're repairing or upgrading your engine, we have engine parts from the most respected suppliers in the business. Purchase engine parts like connecting rods, valves, camshafts, cylinder heads, engine blocks, pistons, and more from ECS Tuning for your next engine repair or overhaul.
