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PAC Racing 1500 Series Dual Valve Spring Set – GM Gen III/IV LS – Solid Roller

0.630 in. ID – 1.284 in. OD – 1.900 in. installed Height – 0.750 in. Max Valve Lift


Your Price: $633.73

SKU: PAC-1529-16

In Stock

PAC Racing’s 1500 Series Circle Track Dual Springs are designed for extreme endurance in the toughest environments. They are constructed of our signature PACaloy super clean wire and are fully nitrided to enhance high-cycle applications. A multi-peen process is also employed to extend service life. Unique to the 1500 Series is ID/OD chamfer finishing, a run through the polisher, and a Nano-Peen™ proprietary surface treatment for improved operating cycles.

  • Built using our signature PACaloy super clean wire to ensure strength and durability
  • Fully nitrided to survive in high cycle environments
  • Multi-peen process to optimize service life
  • ID/OD chamfer finishing
  • Polishing to improve operating cycles
  • Nano-Peen™ Proprietary Surface Treatment
SKU: PAC-1529-16 Categories: , ,

GTIN: 00193564532459

Outer Diameter – Outer Valve Spring

1.284 IN

Inner Diameter – Outer Valve Spring

0.900 IN

Inner Diameter – Inner Valve Spring

0.630 IN

Installed Height

1.900 IN

Installed Load / Height (Valve Closed)

180 LB @ 1.900 IN

Open Height

1.150 IN

Open Load

600 PS

Open Load / Height (Valve Open)

600 LB @ 1.150 IN

Valve Spring Rate

560 PS

Max Coil Bind

1.085 IN

Max Valve Lift

0.750 IN

Recommended Valve Spring Retainer – 400 Series

R432

Recommended Valve Spring Retainer – 500 Series

R532

Recommended Valve Spring Retainer – 600 Series

R632

Recommended Valve Spring Seat

S128, S138

Valve Spring Series

1500 Series

Valve Spring Type

Dual

Valve Spring Application

Circle Track

Primary Market

Circle Track|Drag Race|Street Performance