Dual Drag Race Valve Spring

PAC-1335 Dual Drag Race Valve Spring

PAC-1335
Regular price
$41.84
Sale price
$41.84
Quantity must be 1 or more

Drag Race 1300 Series Valve Spring 1.300 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

  • 1.300 OD
  • ID Outer- 0.900"
  • ID Inner-0.616"
  • Installed 1.800" @ 250#
  • Open 1.050" @ 860#
  • Max Lift 0.800
  • Coil Bind- 0.985
  • 813 #/in Rate