Triple Drag Race Valve Spring

PAC-1347 Triple Drag Race Valve Spring

PAC-1347
Regular price
$31.74
Sale price
$31.74
Quantity must be 1 or more

Drag Race 1300 Series Valve Spring 1.645 Triple Spring - 0.800 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

  • 1.645 OD
  • ID Outer- 1.195"
  • ID Middle- 0.871
  • ID Inner-0.635"
  • Installed 2.070" @ 290#
  • Open 1.270" @ 835#
  • Max Lift 0.800
  • Coil Bind- 1.130
  • 682 #/in Rate