Dual Drag Race Valve Spring

PAC-1325 Dual 1.550 Drag Race Valve Spring

PAC-1325
Regular price
$27.37
Sale price
$27.37
Quantity must be 1 or more

Drag Race 1300 Series Valve Spring 1.550 Dual - 0.800 lift

1300 Series Processing Improves Fatigue Life, which enhances the longevity against premature spring failures.  1300 Series processing involves REM polishing, and Nano Peen, a micro shot peening done to the surface. 

All 1300 series springs come with an ID chamfer to improve clearance on the radius of the spring Retainer.

SPRING SPECS

  • 1.550 OD
  • ID Outer- 1.100"
  • ID Inner-0.788"
  • Installed 2.000" @ 250#
  • Open 1.200" @ 765#
  • Max Lift 0.800
  • Coil Bind- 1.150
  • 644 #/in Rate