1930 - 1937 OHV Engine Pushrod - Non-Adjustable Tappet Type: (To Order) - Complete Pushrod Assembly

Product no.: 1124 Pt-9141

In stock

Recommended Retail Price, plus delivery

This item listing is for a complete Norton OHV non-adjustable pushrod, of the type that was most commonly fitted to Norton OHV models between approximately 1930 and 1937. 

Price is Per Pushrod

Please State Length/Type Required when placing order (in 'Comment' box, when completing order in Checkout section):

Currently we have two 'Standard' lengths kept in stock - but there seem to have been slight variations in length by year - even for 350cc and 500cc capacities - so we can also make these up to your requirement as required.  If ordering either of the two 'standard lengths' below - please confirm these are the correct length for your engine before placing order:


- 350cc Length:  Overall Length (end to end) - 12.430" +/- 0.030" tolerance: (original Norton pushrod shown in photo, alongside our identical version)


- 500cc Length:  Overall Length (end to end) - 12.750" +/- 0.030" tolerance


- Other 350cc, 500cc, 600cc or Non-Std Length Pushrod Assemblies - TO ORDER:

Talking to customers - it seems most likely that in the 8 years that OHV models were fitted with this type of pushrod there may have been variations in both 350cc and 500cc engines, as well as 600cc Model 19 length.   Therefore we recommend you measure the length you require, and if the two length offered above are not suitable, we can make up a pushrod to your required length.

PLEASE NOTE:  Unfortunately we cannot accept Returns on a pushrod made to your custom length - so please ensure you are absolutely sure you have specified the correct length when you order the pushrod - and expect us to email you before we commence assembly of the pushrod, to make sure the dimension you have providied us with is correct.

 Expect pushrods in custom lengths to take 2 - 3 weeks to make up, and we will email you to confirm the dimensions you have provided



Background and Manufacture:

The individual parts for these pushrods faithfully replicate those of the original Norton design - with both the top and bottom tappet pieces being machined to exactly the same dimensions as original items, from case hardened EN32B. 

The tube itself is made from the same gauge of seamless cold drawn steel as original tubes, with the ends pressed on, as per original items. 

When fitting these pushrods, adjust tappet adjustment to the correct tolerance - but then check adjustment again after approximately 50 miles use - as just like the original pushrods, they may 'settl'e in initially,  (Rememnbering - that with this design, as per the original Norton items, the ends are pressed onto the tube with the same interference fit as originals - but excess force cannot be used when assembling without risk of bending the long pushrod, hence why they may 'settle' by a few thou when first used).

This non-adjustable type of pushrod looks to have been fitted in various lengths on most models from 1929/30, through to the end of 1937.  For this type of OHV engine, the tappet adjustment was made by tappet adjusters screwed directly into the rocker arms - we can also supply those adjusters (see Items 1121/1122/1123) - therefore this pushrod type did not have any provision for adjustment itself.  In 1938 the OHV was redesigned, and a similar pushrod with adjustment at the top was introduced - we also sell this pushrod type - Item 1125

Price is for one pushrod - normally we will supply these assembled - but if necessary, we will sell the components so that you can make a pushrod up to your own length, at some point in the future.

Finally - it is difficult to be definitive on what year this type of pushrod was first used - we have said circa 1930 - but they may have been fitted from 1929 (i.e. - when first manufctured without provision for a lower pushrod Return Spring).  Before this design, the early OHV engines had a similar pushrod design - but the bottom tappet piece had more than one design type, as they usually also held a pushrod return spring in place.  Sorry, we do not offer those earlier types - but will consider supplying tubing and top pieces seperately if you wish to make your own earlier pushrod.  

Note: Similar pushrods were also fitted circa pre-1930, but with different (lipped) bottom pieces - to allow for a pushrod Return Spring. Sorry, we do not manufacture this earlier type - but we would be interested to purchase or borrow an original pushrod of this type - as a pattern, and would consider making it in the future.

Price is per pushrod assembly (i.e. 2 required per engine)


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