SKU: PAC-1238X-16

LS Race Dual Valve Springs - Solid Roller 250lbs@1.800" / 600 lbs/in Max 0.750" lift, 1.274" OD

1.800" Installed Solid Roller

$820.60

or 4 payments of $205.15 with Info

SOLD OUT

*FREE SHIPPING ON ORDERS OVER $200!

Description

PAC 1238X Dual Valve Springs - LS Race Solid Roller - 1200 RPM Series

High Frequency 1200 RPM Series Valve Springs for Drag Racing, Street / Strip and Circuit Endurnce racing. High Rate & High Frequency. 

PAC 1238X Features 

  • Built using our signature PACaloy super clean wire to ensure strength and durability
  • In-house heat-treating for precise spring rates and increased strength
  • Multi-peen process to optimize service life
  • Polishing to improve operating cycles
  • Nano-Peen™ proprietary surface treatment

PAC 1238X Specifications:

  • Part Number:    PAC-1238X-16
  • Description:       RPM Series - Small OD LS Style Solid Roller Race Spring  
  • Spring Type:        Dual Springs
  • Lift Max (in)”        0.755" Max lift with .060" to coil bind safety.      
  • O.D. (in):     1.2740"   
  • Inside Spring I.D. (in):    0.900" 
  • Install Load (LB):    250 lbs @ 1.800" | 190 lbs @ 1.900"
  • Install Height (in):   1.800"
  • Valve Spring Mass (g) 87g
  • Open Load (LB):   
  • Open Height (in):    
  • Coil Bind Max (in):    0.985"
  • Damper:        No
  • Rate:   600 lbs/inch
  • Quantity: 16 

PAC 1238X Matching Components: 

  • R432 - 400 Series Sportsman Titanium Retainers
  • R532 - 500 Series Pro titanium Retainers
  • R632 - 600 Series Tool Steel Retainers 
  • S128 - 
  • S138 - 

Specifications

SKU PAC-1238X-16
Brand PAC Racing Springs
Damper No
Valve Spring Series Race/Street

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