D&J Precision Machine Cummins Titanium Retainers for 1998 and up 24v Cummins cylinder heads. Our valve spring titanium retainers are proudly made in-house and they are 10 grams lighter than the stock retainers. Our Cummins Titanium Retainers are included standard on D&J Stage 2, Stage 3 and Stage 4 cylinder heads.
Cummins titanium retainers are recommended when over 4400rpm or 1000hp.
D&J Precision Machine Cummins Titanium Retainers for 1998 and up 24v Cummins cylinder heads. Our valve spring titanium retainers are proudly made in-house and they are 10 grams lighter than the stock retainers. Our Cummins Titanium Retainers are included standard on D&J Stage 2, Stage 3 and Stage 4 cylinder heads.
Cummins titanium retainers are recommended when over 4400rpm or 1000hp.