Area 51 Shock Service
Area 51 Suspension

Integra Conventional Rear Coil Spring — 5" x 13"

$70.95

Integra's Conventional Rear Spring — 5" x 13" — standard rear spring for dirt Modifieds and Street Stocks. 100–600 lb/in covers the full rear rate range these classes need. Same Integra build quality, one end open, one end ground.

  • 5.0" OD x 13" tall — standard Modified/Street Stock rear
  • 100–600 lb/in — full rear range for dirt oval classes
  • Linear rate, one end open, one end ground flat
  • Black powder coat

3 x 10Layer stacks
FastPull design
FitmentShock specific
  • Built for mud, dust, and rubbered-up race nights
  • Simple fitment-based ordering flow
  • Strong brand presentation for racers and dealers

Dirt Racing Grip

Area 51 Suspension are built for circle track racers who deal with mud, dust, rubber, and debris. Match the correct part number to your shock shield and keep your vision clear on race night.

What's Included

  • 3 x 10-layer shock service stacks
  • 30 total shock service per package
  • Part-number specific fitment
  • Race-ready Area 51 packaging

Works With

Use the Area 51 Shock Services Guide to match this part number to the correct shock brand, shield style, size, and shape before ordering.

Check Fitment

Racer Review

★★★★★

"Clear, simple, and race-night ready. Exactly what dirt racers need when grip starts going away."

Check Shock Services Dealer Program