Connecting rods are responsible from translating combustion forces downward to spin the crankshaft. Individual replacements as well as full kits are available from Turner for your next engine project.
Set of 8 Pro-Series connecting rod bolts, made by ARP -- the world leader in fastener technology. ARP Pro Series connecting rod bolts are precision CNC-machined to exacting specifications and designed for optimum reliability. Heat-treated with threads which are rolled to provide up to ten times more fatigue strength, these rod bolts are far superior to standard OEM BMW fasteners in terms of durability and ability to withstand stresses. This rod bolt set is specifically for the E30 M3 S14 2.3 liter engine.
Each bolt is made of ARP2000 material, which exceeds the strength of 8740 Chrome Moly, and is able to achieve clamp load at 220,000psi. ARP2000 fasteners are used widely in motorsport and drag racing as an upgrade from 8740 Chrome Moly in both steel and aluminum rods. These are simply the best connecting rod bolts available, making them ideal for ultra high performance, racing and forced induction applications.
ARP is a company that prides itself on performance and durability, no matter the application. Offering the finest engine hardware money can buy is the driving initiative at ARP and this is evidenced by the staggering amount of satisfied customers and race teams the world over.
These ARP connecting rod bolts fit the following BMWs: 1988-1991 E30 M3 - S14 4 cylinder
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The 5150 AutoSport Pro-Xtreme Connecting Rods, made by CP-Carrillo, are designed to handle extreme horsepower and high RPM applications for BMW M20 engines with 135 mm Rods. Constructed from high-strength, aircraft-grade steel, these connecting rods are engineered to withstand the forces generated by high-powered engines. The Pro-Xtreme design is specifically tailored to handle up to 2000 horsepower, making these rods suitable for high-performance turbo/drag racing or street/strip applications. They are also designed to handle high engine speeds of up to 9500 RPM, which is necessary for achieving maximum power output. Each connecting rod is precisely fabricated to meet the demands of high-performance engines using advanced manufacturing techniques such as computer-aided design (CAD) and finite element analysis (FEA). The Pro-Xtreme Connecting Rods are designed to be durable, reliable, and capable of handling the extreme stresses and forces generated by high-horsepower and high-rpm engines. Please note that these 135 mm connecting rods are designed to fit M20 135mm Rod engines. They will NOT fit 130 mm Rod Engines.
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