Penske Racing Shocks 8975-DRAG User Manual
Page 3
PS-8975-DRAG (Double Adjustable)
2010/2011
3
Introduction
Thank you for purchasing Penske Racing Shocks 8975 Series double adjustable shock absorbers.
The 8975 Series is the latest addition to Penske Racing Shocks successful product line-up. The most
economical multi-adjustment shock, the 8975 Series utilizes standard Penske Racing Shocks parts
already known for their quality and repeatability.
Every Penske Racing Shock is 100% hand built and dyno-tested for the best performance and customer
satisfaction. We stand by our products and routinely assist customers in getting the best performance
from their shocks. The same components in the 8975 Series are used all over the world at the highest
forms of Motorsport.
All of the fundamental attributes found in any Penske Racing Shock have been incorporated into the
8975 Series including:
55mm bore size, compatible with a wide array of piston types.
Low-friction shaft and piston seals.
Hard anodized, 6000 series aluminum bodies and components for superior durability,
performance, and repeatability.
Hard-chromed 4130 main shaft with rolled threads for strength, durability, and low breakaway
friction.
Durable ACME threaded body for quick adjustments to spring preload (.100” per turn).
Simple, in-line design for lightest weight and ease of installation.
Winning heritage – Penske Racing Shocks continue to help customers win races and
championships in all forms of Motorsport.
Made in U.S.A. – The 8975 Series has been 100% designed, machined, assembled, and tested for
quality in the United States.