QA1 Precision Products 5173-5 Rebuildable Twin Tube Shocks - 51 Series Steel
51 Series Twin Tube Steel Shock
The best keep getting better! Weve taken your feedback, added
new technology and developed an improved 50 Series shock absorber
the 51 Series. QA1s 51 Series features a brand new in-house
machined body, which has a large inside diameter for easy
installation of gas bags. This twin tube shock absorber features
hard anodized internals and has a zero gas pressure design
providing the most grip on slick tracks and the best feel of any
shock. Available in seven and nine inch strokes, the 51 Series is
the premium twin tube choice for dirt and asphalt modifieds, late
models and super stocks. The 51 Series is manufactured in QA1s
Lakeville, MN facility and is completely racer
rebuildable and revalveable.
Additional Piston Option: QA1 also
offers a brand new high-flow linear two port piston for the 51
Series as an additional accessory. This two port piston design
allows the valve discs to open consistently which results in a
smoother force curve and accommodates independent compression and
rebound bleed circuits for precision low-speed force control.
Note: Be sure to check compressed and extended
lengths carefully for proper fit. QA1 lengths do not
necessarily correspond to competitors lengths.
QA1 also offers these shocks in packages specific
to a variety of series. Contact QA1 for more
With the Large Body Tuning Kit (part# TK01) so you can
change your shocks to any valving combination between 0 and 13.
Coil-Over Kits sold separately:
- #CK5105 2 1/2 I.D. for 7 Stroke
- #CK5107 2 1/2 I.D. for 9 Stroke
- #CK5109 5 O.D. for 7 & 9 Stroke
Order a Spanner Wrench (part # T114W & #
T115W) for easy ride height adjustments.
Dont forget a Tool Kit (part# 7891-106) and a Rebuild Kit (part#