Triple Drag Race Valve Spring

PAC-1366 Triple Drag Race Valve Spring

PAC-1366
Regular price
$46.52
Sale price
$46.52
Quantity must be 1 or more

Drag Race 1300 Series Valve Spring 1.710 Triple Spring - 1.350" lift

Top Fuel Dragster - Top Fuel Funny Car - Top Alcohol Funny Car - ProMod

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

  • 1.710 OD
  • ID Outer- 1.210"
  • ID Middle- 0.871
  • ID Inner-0.635"
  • Installed 2.550" @ 380#
  • Open 1.250" @ 1545#
  • Max Lift 1.350"
  • Coil Bind- 1.140
  • 896 #/in Rate