When it's time to replace the heads studs in your build whether it be for re-assembly, or if you're putting together a high-horsepower build it is essential that you use a quality head stud. The Cosworth Head Stud Kit is a high-grade head stud made to re-assemble the head on the 4B11, and to make sure you have a proper fitment and seal between the head and the block. This is vital for those who are running a lot of boost where you might hear of issues where the head lifts from the block under copious amounts of stress.
The Cosworth Head Studs are crafted from H11 tool steel, and have been rated at 240.000+ PSI of tensile strength and these studs will come complete with both washers and nuts and come ready with hex broach ends to make for a ready installation. Additionally, these head studs have endured an arduous heat-treating process that involves a vacuum sealed furnace, and they are quenched in a nitrogen chamber to promote optimal strength, Because of these elements, the Cosworth Head Stud kit is a perfect candidate for locking the head down on a 4B11.
RallySport Guarantee - 30 Days
Items that are covered under the RallySport Guarantee offer a 30 day no questions asked return policy.
RallySport Guarantee items may be returned within 30 days of the original invoice date and must include all the original parts and contents for a refund.
The RallySport Guarantee does not apply to products that have been modified, damaged, misused or abused. All returns require an RMA (Return Merchandise Authorization) Number, and freight charges are strictly non-refundable. For more information regarding our freight refund policy, please refer to our return policy page found HERE.