Delivery valves

collinmaune said:

IM also new to the cummins 12 valve what are the best delivery valve for a mild built truck 131 or 193 ?

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Havent heard of 193 but use 042s for a street driven truck

.024's have my vote. Wish I could get my hands on some, but ddp sent me some ".024s" that are actually modified 191s and say that they dont stock 191s...... go figure. .024 have been on back order and out of stock for quite some time now though.

Weston makes better options from the research I've read. Haven't had the liberty of trying any but all words look good.