HCR 14mm Head Stud Set - Hard Core Racing

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HCR 14mm Head Stud Set

HCR 14mm Head Studs are suitable for all Subaru EJ20/22/25 series engines.

545 Eur

HCR 14mm Head Studs will provide higher engine reliability, and will be a great solution for racers who are reaching more than 500hp+. We have improved the design of the threads and tested it, to make sure that we can provide the best solution for clamping the cylinder heads onto the block assembly to reduce the risk of having a head lift under a higher boost. Find more here.

Set includes:

– 12 HCR 14mm head studs

– 12 nuts

– 12 washers

– 1 ARP Ultra-Torque assembly lube and fitting install instruction

Before using our HCR 14mm Head Stud Set your engine block must be machined to accept the larger stud. Also, machining to the cylinder heads is required. The original head bolt passages must be drilled out to a larger diameter in order to fit let 14mm studs. We can provide all these services. Please contact us to discuss your exact requirements.


Before needed services we agree on all the prices and services need to be done. The invoice is sent after all the work is completed and before the engines are being shipped. Once a payment is recieved, we ship the cases.


Currently, we are offering shipping cases all over Europe and we use courier delivery services from door to door.

To determine the shipping cost of a product, add the product to your shopping cart, and input your shipping address. We will contact you about the final shipping cost and estimated delivery timeframe.

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Company “HCR” has signed an agreement with Investment and Development Agency of Latvia (LIAA) on Incubation support within the framework of the ERDF Project No. “Regional Business. Incubators and Creative Industries Incubator”.
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