HCR 11mm Head Stud Set
HCR 11mm Head Studs are suitable for all Subaru EJ20/22/25 series engines.
HCR 11mm Head Stud will provide higher engine performance and reliability compared to the original cylinder head bolts, highly recommended for engines reaching up to around 550hp. 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.
- 12 HCR 11mm head studs
- 12 nuts
- 12 washers
- 1 ARP Ultra-Torque assembly lube and fitting install instruction
If you plan to go for more power we recommend replacing the conventional 11mm threads with a series of 14mm precisely manufactured, for more than 600 hp+. 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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