Upgrade your Chevrolet LS with the ARP Thermostat Housing Bolt Kit, designed specifically for this model. The product code 134-7401 features a 20mm UHL (Qty: 2) to ensure a secure fit and lasting performance. The 8mm 12pt socket size makes installation a breeze, with a thread size of M8 for compatibility with your vehicle. This kit also includes washers for added convenience and ease of use.

As a trusted brand in the automotive industry, ARP is known for its high-quality products and innovative designs. With seven operational entities in Southern California, ARP has a combined area in excess of 200,000 square feet dedicated to forging, heat-treating, machining, quality control finishing, and packaging/warehousing facilities. Their diverse product line includes thousands of part numbers, catering to various engine, driveline, suspension, and frame needs. From high performance OEM replacement parts to specialty hardware for racing and marine applications, ARP has you covered. Upgrade your vehicle with the ARP Thermostat Housing Bolt Kit for superior quality and reliability.