Motorcycle Flyer
8975 In-Line
The nitrogen reservoir rides in-line with the shock, cutting .5 to 1 lb versus a reservoir shock and simplifying installation.
Best for: Riders who want full Penske adjustability at the lightest weight and sharpest price.
Penske 8975 Series
8975 In-Line Double Adjustable Motorcyle Shock
The most economical multi-adjustment Penske shock. Hand built to your weight, your bike, and your riding style. Dyno tested before it ships.
$1,165.00
USD · price varies by fitment
Available online — hand built to order, minimum 10 business days
Not sure on any answer? Call (610) 375-6180 and a technician will walk you through it.
40Clicks of compression adjustment
40Clicks of rebound adjustment
55mmStandard Penske bore
.100"Preload change per turn
100%Designed & built in the USA
Overview
The Most Economical Multi Adjustment Penske Shock
The 8975 is the latest addition to the Penske Racing Shocks lineup, built from the same standard PRS components trusted at the highest levels of motorsport worldwide. Every shock is 100% hand built and dyno tested, and we routinely work with customers to get the best performance out of their setup long after the sale.
Your 8975 arrives set from the factory at the recommended starting settings for your application, pressurized and ready to go. Bolt it on and ride.
Anatomy of the 8975
Every component has a job. Here's what makes the 8975 work.
Proof
Hand Built. Dyno Tested. No Exceptions.
Every 8975 is assembled by hand and validated on the dyno before it leaves the building. The damping you ordered is the damping you get. That standard is why Penske customers keep winning races and championships in every form of motorsport.
This has been the best money spent on my bike. Confidence, reliability, ease of adjusting properly has increased performance to a much higher standard than stock. You get more than just great parts when dealing with Penske Shocks, customer service is what you expect from a leader in their industry.
Frank Paradiso— Motorcycle
Choose Your Double Adjustable
8975 or 8300? Pick Your Weapon.
Both are Penske double adjustables. The difference comes down to stroke, weight, and how you ride.
8300 Series
Remote or piggyback canister frees up 1" to 1.75" more stroke than the 8975, depending on application.
Best for: Riders and applications that need maximum stroke.
Check Your Bike First
Not all makes and models are available. Check the application chart to see which shock models are available for your bike. Some models require fabrication of existing parts, with the added labor cost shown on the chart. Don't see your bike listed? Contact us — we may be able to take your OEM or existing shock and make a duplicate.
View the Application ChartOrdering Details
Every shock is hand built to order specifications. Allow a minimum of 10 business days for processing; lead times may run longer depending on seasonality. For specific product lead times or a required delivery date, inquire before ordering.
FAQ
8975 Questions, Answered
How many adjuster settings does the 8975 have?
Both compression and rebound have 40 clicks of adjustment. Compression carries around 150 lbs of adjustment range, while rebound depends on valving, typically 250 to 400 lbs.
What's the difference between the 8975 and the 8300? Both are double adjustable, right?
Both are Penske double adjustables. The 8975 keeps the nitrogen reservoir in-line with the shock for the lightest weight and simplest install. The 8300 uses a remote or piggyback canister that frees up 1" to 1.75" more stroke, depending on application.
How much lighter is the 8975 than a similar double adjustable with a reservoir?
The in-line design runs .5 to a full 1 lb lighter than a comparable remote reservoir double adjustable.
Resources
Everything You Need Before You Order
Your Setup Doesn't End at Checkout
Every 8975 ships at recommended starting settings for your application. When you're ready to go further, the S3 program connects you with a Penske shock specialist for personalized setup and ongoing support.
Learn About S3Complete the Setup
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