Pay in 4 interest-free payments of $37.50 Learn more
Ships within 48 hours · Estimated delivery Aug 8 - Aug 13
Steel head shim for running longer stroke 4JJ1 and 4JH1 cranks in the 4JB1T
Contact us If you have any queries regarding the kit or mechanical pump conversion or expected lead time
Chromoly pushrod set to suit 4J engines
*Hardware & O-Rings
4JJ1 Performance H-Beam Rods
4JB1T Head Shim Head Shim Steel head shim for runningSteel head shim for running longer stroke 4JJ1 and 4JH1 cranks in the 4JB1T. This is an alternative option to machining pistons to suit. It is recommend to be fitted to a freshly machined cylinder head surface and using correct Hymolar sealant. Please note these are made to order, approximately 1. 5 2 week lead time is expected. Custom thicknesses are available on request. Manufactured in Australia.
