Drag Illustrated Issue 182, May / June 2023 | Page 75

STREET TRACK

RIGHT ! LIGHTAND RIGHT FOR LS AND OTHER . 750 LIFT APPLICATIONS

RPM Series Dual Valve Springs
Over 30 % weight savings compared to similar counterparts in the 1.550 ” range ( over 50 grams ) Designed to be used on the TRACK and the STREET Utilize Mini8 retainers that fit anything from 3 / 8 ” to 7MM valve stems

STREET TRACK

PAC - 1333 PAC - 1334 PAC - 1335
• Excellent for applications up to 0.750 ” lift
• 245 lbs closed pressure at 1.800 ”
• 673 lb rate can handle moderate solid roller camshafts
PAC - 1237X
• Perfect for small lift solid roller setups up to 0.700 ”
• 200 lbs closed pressure at 1.800 ”
• 550 lb rate can handle moderate street and strip solid roller camshafts
• Excellent for applications up to 0.750 ” lift
• 255 lbs closed pressure at 1.800 ”
• 740 lb rate can handle aggressive solid roller camshafts
PAC - 1238X
• Perfect for small lift solid roller setups up to 0.750 ”
• 250 lbs closed pressure at 1.800 ”
• 600 lb rate can handle aggressive street and strip solid roller camshafts
• Excellent for applications up to 0.750 ” lift
• 250 lbs closed pressure at 1.800 ”
• 813 lb rate can handle aggressive solid roller camshafts
Optimized and balanced natural frequencies between all dual spring components
Titanium and Tool Steel retainers available
Refined surface with multiple stage shot peening - including
NanoPeen TM technology
Championship winning PACaloy™ material ( super clean , quality alloys from Japan )
CALL US FOR YOUR SPECIFIC APPLICATION TODAY . 866.799.9417
www . RaceWinningBrands . com Visit RacingSprings . com
May / June 2023 DragIllustrated . com | Drag Illustrated | 75