FEATURED BRAND = COVERKING CHECK OUT COVERKING NOW

Auto Barn
Est. 1957
QA1

QA1 20.30 Eye-B/Eye-B V 4-850 Shock Large Steel 13.38

$347.07

On Backorder

Order now to reserve yours — we'll ship as soon as stock arrives. Full refund if we're unable to fulfill.

QA1 5Q Series Twin Tube Circle Track Shock Absorber. Rebuildable and re-valvable for racers.

Key Features

  • Fits QA1 5Q Series Twin Tube Circle Track Shock Absorber applications.
  • Features a laser-engraved, black-anodized closure nut for easy reading of serial numbers and valving.
  • The gland has relief cuts and a hyper screw port for straightforward shock filling and bleeding.
  • Shocks can be re-valved and rebuilt by racers quickly using basic tools.
  • The compression tube uses a slip-fit design to simplify the rebuild process.
  • An upgraded seal kit is included to help minimize leaks, particularly in high-rebound situations.

⚠️ CA WARNING: This product can expose you to chemicals known to the State of California to cause cancer and/or birth defects or other reproductive harm. Learn more

Secure CheckoutFast Shipping631-982-0042
About this part

Product Details

This is the QA1 5Q Series Twin Tube Circle Track Shock Absorber, part number 5Q74-850R. It's a large steel shock designed for demanding applications where adjustability and ease of service are key. The 5Q shocks are built with a focus on performance and quick maintenance, making them a popular choice for racers who need to fine-tune their suspension on the fly.

What sets these shocks apart is their rebuildable design. QA1 has incorporated features like a slip-fit compression tube and a two-piece body to simplify disassembly and reassembly, allowing racers to re-valve or rebuild them in minutes with basic tools. The gland includes relief cuts and a hyper screw port for easy filling and bleeding. Plus, an upgraded seal kit helps minimize leaks, especially under high-rebound conditions. You'll also find a laser-engraved, black-anodized closure nut that clearly displays serial numbers and valving information, which is super handy at the track or in the shop.

Specifications

Brand
QA1
Manufacturer Part #
5Q74-850R
UPC
806990165077

Frequently Asked Questions

QA1 20.30 Eye-B/Eye-B V 4-850 Shock Large Steel 13.38

$347.07