Best Car Connecting Rod Bolts of 2025

* We independently evaluate all recommended products and services. If you click on links we provide, we may receive compensation.
Car connecting rod bolts are essential components in the engine of a car. They connect the connecting rod and the crankshaft, ensuring that the engine runs smoothly and efficiently. These bolts are made of high-quality materials and are designed to withstand the high levels of stress and pressure that occur within the engine. They are available in a range of sizes and styles to fit different types of cars and engines. Investing in high-quality connecting rod bolts can help to improve the performance and reliability of your car, ensuring that it runs smoothly and safely on the road.
At a Glance: Our Top Picks
Top 10 Car Connecting Rod Bolts
febi bilstein Connecting Rod Bolt, 52 mm
The febi bilstein Rod Bolt is an original spare part manufactured in Germany, ensuring high quality and reliability. It is crucial to verify compatibility with your vehicle using the identification provided. With a length of 52 mm and an outside thread size of M9 x 1, this bolt is designed for secure fastening using an external 12-point hex bit. Weighing only 0.03 kg, it offers a lightweight solution for your car’s maintenance needs, making installation and handling much easier for you.
Ford Racing 8.8" Ring Gear Bolt Set
The Ford Racing Bolt Set is an excellent choice for those seeking reliable performance in their vehicle. As a trusted industry leader, Ford Racing provides high-quality components that can significantly enhance your car's performance. These bolts are specifically designed for connecting rods, ensuring a secure fit that can withstand the rigours of racing and everyday driving. With great performance capabilities, you can trust these bolts to deliver the reliability and durability you need for your automotive projects.
ARP 206-6008 Vehicle Specific Rod Bolt Kit
The ARP Rod Bolt Kit is designed specifically for your vehicle, ensuring a perfect fit. With package dimensions of 1.777 H x 24.384 L x 14.478 W centimetres, it is compact yet robust. Weighing only 0.400 pounds, it adds minimal heft to your car components. This product is proudly made in the United States, reflecting high-quality manufacturing standards. By opting for this kit, you can enhance the performance and reliability of your engine's connecting rods.
ARP 129-0902 Vehicle Specific Bellhousing Bolt Kit
The ARP Bellhousing Bolt Kit is designed to provide a reliable and secure connection for your vehicle's bellhousing. With package dimensions of 15.24 H x 1.27 L x 10.16 W centimetres and a lightweight design of 0.204 kilograms, it is easy to handle and install. Made in the USA, this kit ensures high-quality manufacturing standards. Being vehicle specific, it guarantees a perfect fit, giving you peace of mind while enhancing the performance of your vehicle.
ARP Bolt Kit for BMW Mini Cooper N12/14
The ARP Bolt Kit is a high-quality auto part designed specifically for the BMW Mini Cooper N12/14 connecting rods. Measuring 9.0 inches long, 6.0 inches wide, and 0.5 inches high, it is compact and easy to handle. Weighing just 0.36 lbs, this product is lightweight, making installation manageable for you. Manufactured in the United States, it assures you of dependable quality and performance. With this bolt kit, you can enhance the durability and reliability of your vehicle's engine components.
Omix-Ada Hardtop Bolt for Wrangler TJ and JK/U
The Omix-Ada Hardtop Bolt is designed with an OE style, ensuring that it matches the original equipment specifications of your Wrangler TJ and JK/U. This direct fit feature saves you time and effort, as you won't need to make modifications during installation. The bolt is built to provide a reliable connection, making it essential for securing your hardtop. Additionally, it is an OE part, number 6506826AA, which guarantees compatibility and quality for your vehicle.
ARP 240-7301 Torque Converter Fasteners
The ARP Torque Converter Bolts are designed to provide exceptional strength and reliability for your vehicle. With a remarkable rating of 200,000 PSI, these fasteners ensure that you no longer have to worry about shearing your torque converter bolts during use. Their custom design offers the optimum grip, which enhances the overall performance of your engine. Additionally, the under head length of .450 and a thread size of 5/16-24 make these bolts suitable for various applications, ensuring a secure fit every time.
ICT Billet 4L60E 2004R Transmission Bolt Set
The ICT Billet Bolt Set offers high-quality, heavy-duty bolts made in the USA. With a grade 10.9 strength rating, these bolts provide excellent durability for your transmission needs. The zinc coating ensures long-lasting corrosion protection, giving you peace of mind that your components will remain in good condition. Additionally, the flanged heads eliminate the need for washers, making installation easier and more efficient. This set is designed specifically for the 4L60E and 2004R models, ensuring a perfect fit for your vehicle.
ARP 216-6301 Rod Bolt Kit for Renault Clio
The ARP Rod Bolt Kit is designed specifically for the Renault Clio M9 16-Valve, ensuring a perfect fit for your vehicle. With part number ARP-216-6301, this kit includes high-quality ARP2000 connecting rod bolts, which enhance the durability and performance of your engine. Weighing just 0.5 pounds, it is lightweight yet robust, making installation straightforward. By using this kit, you can improve the reliability of your engine's performance, providing peace of mind during your drives.
ARP 154-1001 High Performance Cam Bolt Kit
The ARP Cam Bolt Kit offers a solution to your camshaft timing concerns. With a remarkable strength rating of 170,000 PSI, it outperforms standard Grade 8 hardware, providing you with peace of mind during use. The 5/8 inch socket size and 3/8-16 diameter/thread size make installation straightforward, ensuring you can easily fit it into your vehicle. Additionally, the reduced socket head size allows for quick removal when needed, while the oversized bolt head flange enhances cam button retention, contributing to a more reliable performance.
Frequently Asked Questions (FAQs)
1. What is a connecting rod bolt?
Connecting rod bottom end bolts keep the two halves of the bottom end bearing together. These bolts are subjected to complex nature of stress as follows: Tensile Stress: Tightening of nuts stretches the bolts and subjects them to tensile stress, which helps keep the two components together under tension compression.
2. What are rod bolts?
Rod bolts used in our own high performance racing rod applications are made also in house from two main materials. That gives to the thread the maximum strength required for the racing rod application. ...
3. How are the connecting rod bolts secured?
Connecting rod bolt nuts are usually secured to the bolts by cotter pins; thus the need for alignment between slots in the nuts and the hole in the bolt. The maximum amount of tightening to get this alignment is something less than one "hex" of the nut.
During our car connecting rod bolt research, we found 231 car connecting rod bolt products and shortlisted 10 quality products. We collected and analyzed 5,279 customer reviews through our big data system to write the car connecting rod bolts list. We found that most customers choose car connecting rod bolts with an average price of £15.46.
The car connecting rod bolts are available for purchase. We have researched hundreds of brands and picked the top brands of car connecting rod bolts, including febi bilstein, Ford, ARP, OMIX, ICT Billet.

Joseph is a seasoned writer who's also passionate about automotive. His passion for automotive care and maintenance fuels his drive for more knowledge in the field. He currently resides in Middlesbrough, where he finds time to write informative contents on automotive. His automotive related articles are quite popular in journals around the world. Joseph continues to use his wealth of experience in the industry to create helpful guides on automotive.