17/06/2026
PAC Racing springs are used on every DRP cylinder head.
DRP has worked with PAC Racing for a complete line up valve springs options.
Using a modernised, small LS Dual Spring!
2 levels to choose from:
Streetline & Proline.
Suits: Hydraulic flat tappet, Hydraulic Roller & Solid Roller!!
MADE IN USA
Buy the best.