8400 Pro Latemodel DA or 8700 TA


Penske Racing Shocks 8300 Double Adjustable Coil Over


Additional Information *


The 8400 Double Adjustable Shock gives you a wide range of adjustability that helps tune your car for a wide variety of track conditions. This save you time by not having to re-valve your shock when the track changes, it also saves you money by limiting the amount of shocks needed in your inventory. The 8400 comes with 20 different compression and 20-80 (depending on eyelet option) rebound settings. This allows you to fine tune your suspension to meet your needs.

The 8700 option is typically run on the RR. This gives you a wider tuning window. Commonly the RR is an area of feel for the drive. The separate high and low speed compression adjustability really allows you to tune the for RR support while maximizing grip.

Use the shock brand that 2016 Lucas Oil And Crown Jewel Champion Scott Bloomquist uses and others including, Chris Madden, Brandon Overton, Rick Eckert, Don Oneal, Jared Landers, Steve Francis, Darrell Lanigan, Chris Brown, Chris Simpson, Casey Roberts, Jason Fitzgerald, Donny Schatz, Eric Wells, Chris Ferguson, Earl Pearson Jr., and so many more choose!

Penske Advantages:

  • Repeatable Performance – Increased Nitrogen Volume Yields Repeatability at Variable Running Temperatures
  • Durable Aluminum Components are Lightweight
  • Easily Adjustable – 20 Clicks of Compression and 40 Clicks of Rebound Allow Fine Tuning for Varying Track Conditions
  • Revalvable – A Variety of Pistons and Shim Stacks Provide Unlimited Customization
  • Easy “snap on” spring retainer
  • Easy to Grip, Self Detented, Adjuster Knobs
  • Banjo Swivel Hose Ends for Easy Mounting
  • Optional RF Stack Spring Hardware
  • Optional RF RHS Shaft Option Available. “Zero” Point Adjuster

All shocks are hand built, so please allow up to 14 days for delivery.

Proud to sponsor the 2017 Lucas Oil Late Model Series, Craftsman World of Outlaws, and Malvern Bank Super Late Model Racing Series.

Additional information

Weight20 lbs

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Spring Hardware


RF Body Length

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5th Coil +$35 (Standard Single Adjustable), 5th Coil Double Adjust, LF, LR, LRF (-$370), RF, RR

Shaft Option

Double Adjustable (Dual Adjust Rebound Shaft) +$365, RHS (Rebound High Speed) +$360, Single Adjustable, Standard (Penske Recommended)


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