Triple Drag Race Valve Spring

PAC-1348 Triple Drag Race Valve Spring

PAC-1348
Regular price
$31.74
Sale price
$31.74
Quantity must be 1 or more

Drag Race 1300 Series Valve Spring 1.645 Triple Spring - 0.900 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

  • 1.645 OD
  • ID Outer- 1.195"
  • ID Middle- 0.871
  • ID Inner-0.635"
  • Installed 2.100" @ 332#
  • Open 1.200" @ 950#
  • Max Lift 0.900
  • Coil Bind- 1.130
  • 687 #/in Rate