Triple Drag Race Valve Spring

PAC-1358 Triple Drag Race Valve Spring

PAC-1358
Regular price
$36.23
Sale price
$36.23
Quantity must be 1 or more

Drag Race 1300 Series Valve Spring 1.645 Triple Spring - 0950" 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 2.150" @ 350#
  • Open 1.200" @ 1004#
  • Max Lift 0.950"
  • Coil Bind- 1.130
  • 688 #/in Rate