No Products in the Cart
Throughout our extensive experience in engineering high-performance, low-displacement 4-cylinder engines, we've consistently recognized the critical importance of maintaining robust head-to-block sealing. For this purpose, ARP head studs stand unmatched. Currently, there isn't a ready-made kit for the L15B7 engine, but by integrating select ARP components with custom-designed spacers, we've developed a solution that meets both our requirements and those of others.
ARP selects top-grade 8740 alloy for their studs, which undergoes a rigorous heat treatment process to reach a tensile strength of 200,000 psi, ensuring thorough heat penetration and a quality far surpassing that of inferior studs found in the market, which are often processed inadequately.
After heat treatment, ARP takes the additional step of centerless grinding each stud to achieve unparalleled concentricity. This meticulous process, involving around ten fine adjustments, yields a product of exceptional straightness.
Moreover, ARP's method of thread rolling the studs post-heat treatment significantly enhances their fatigue strength by approximately 1000% compared to those threaded before heat treatment, a prevalent but inferior industry method. Despite the higher cost due to the wear on tools, this process is a testament to ARP's commitment to excellence.
Key Features:
- ARP head studs for unmatched reliability.
- Made from 8740 chromoly steel with 12-point nuts for superior strength.
- Includes a correctly sized spacer to ensure accurate torque application of the head studs.
Benefits:
- Provides a higher clamping force to maintain seal integrity.
- Offers enhanced resistance to head lifting in high-boost scenarios, ensuring engine durability and performance.
Applications:
What's In The Box?
*High-performance racing component. May be used in dual-purpose vehicles. Not intended as OEM replacements. This part is built with performance characteristics.
Eurosport Performance does not have live inventory. Although we aim shipping out not stocked products within 5 business days, supply constraints, import proceedures and product availability can cause additionnal delays. Please refer to the table below for more accurate details.
In stock - We have the item in stock at our warehouse and you can expect fulfillment within 24 hours.
Usually ships within 5-7 business days - We must import this product from our supplier or the manufacturer. Standard import proceedures take between 5-7 business days and you can expect fulfillment within 8 business days.
Back ordered - This product is out of stock at our warehouse with units in transit from our supplier. Fulfillment can vary.
If you wish to have a more accurate ETA, please send us a message at info@es-performance.com and we will respond within 24-48h.
12 Months
All products sold by Eurosport Performance are warrantied against manufacturing defects according to the manufacturer's warranty policy*. Warranty does not cover abuse, misuse, damages caused from improper manipulation, normal wear and tear, improper installation, or damages resulting from racing. Warranties only apply to the original owner. If a product is found defective, the customer will receive, at the discretion of Eurosport Performance, a replacement part at no extra cost.
* Conditions may apply. Please visit our Refund Policy or contact us at info@es-performance.com
