603378A - Adjustable pushrod set of 16

Stock due in late February, March 2026

Set of 5/16th adjustable pushrods for ease of setting the lifter preloads (instructions included) without the use of shims. Use with aluminium rockers only. 

Measurements quoted, refer to approximate overall length, with loose end fitted, and adjuster fully collapsed.

Correct radius for Rover OEM rockers and hydraulic lifters.
Supplied with 3/16" radius ends. Adjustable from 7.92" to 8.20". Tube is moly 5/16"

NOTE - not to be used with steel rockers

Suitable for all 3.5 - 3.9 - 4.0 - 4.2 - 4.6V8