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Quantity
1
Description
4.7
6 ratings
5
4
3
2
1
Does not work well for r40 head on a k24z7 or z3, the o ring is specific to a prb or rbc head yet its sold as the perfect fit for the r40. To make this work i had to use gasket paper rated for coolant, cut a gasket, and also use the tapped head bolt, but after all that it did work but i had better luck with the $20 ebay adapter. I am sure this one is great for any k series that is not a r40 head, but for the r40, use the ebay version and gasket paper rated for coolant sealing.
Jeffrey · May 21, 2026
Love this product
Junior · January 23, 2025
Great.!
Jhovany · January 10, 2024








