Built for the Road Ahead 661-243-0020
HD Shocks logo

Product line

HD Shocks for Custom Air Ride

Our flagship reservoir shocks for semis with custom air ride: a 2.5 remote reservoir or a 3.0 billet piggyback. Best when you want the top of the line.

HD Shocks 3.0 billet piggyback shockHD Shocks RT Series remote reservoir shocks with loop mounts and compression adjusters

What you get

  • 2.5 remote reservoir or 3.0 billet piggyback
  • 3/4 inch shaft
  • Maximum oil capacity and heat control
  • Fully serviceable
  • 1-year limited warranty
Call 661-243-0020Get a Quote

Part numbers

Have the number off your old shock?

Factory, Monroe or Gabriel numbers work.

Semi

HDS222901001R

Front

HD 2.5 Remote Reservoir front shock | Custom air ride | 14.9 to 22.9 in

Fits:

  • Custom air ride Any, Front. 14.894 in collapsed, 22.924 in extended, 8.030 in stroke. Loop/loop
HD Shocks RT Series remote reservoir shocks with loop mounts and compression adjusters

$691.50 per shock

Pair: $1,383

Lead time up to 5-7 weeks. Popular shocks are often in stock or ship sooner.
Check availability
See full details for HDS222901001R

HDS221801001R

Front/Rear

HD 2.5 Remote Reservoir shock | Custom air ride | 14.1 to 21.9 in, loop/loop

Fits:

  • Custom air ride Any, Front or rear. 14.144 in collapsed to 21.898 in extended. Loop/loop
HD Shocks RT Series remote reservoir shocks with loop mounts and compression adjusters

$691.50 per shock

Pair: $1,383

Lead time up to 5-7 weeks. Popular shocks are often in stock or ship sooner.
Check availability
See full details for HDS221801001R

HDS217301004R

Front

HD 2.5 Remote Reservoir front shock | J Ferrell air ride | Mount shaft end up

Fits:

  • Custom air ride J Ferrell air ride, Front. 11.639 in collapsed, 17.375 in extended, 5.736 in stroke. Loop/loop. Mount shaft end up
HD Shocks RT Series remote reservoir shocks with loop mounts and compression adjusters

Install note: Mount shaft end up

$691.50 per shock

Pair: $1,383

Lead time up to 5-7 weeks. Popular shocks are often in stock or ship sooner.
Check availability
Replaces these numbers (1)
BrandNumberType
Gabriel
85000
Aftermarket

If your old shock has any of these numbers, this is your part.

See full details for HDS217301004R

HDS224101001R

Front/Rear

HD 2.5 Remote Reservoir shock | Custom air ride | 14.9 to 24.1 in, loop/loop

Fits:

  • Custom air ride Any, Front or rear. 14.894 in collapsed to 24.105 in extended. Loop/loop
HD Shocks RT Series remote reservoir shocks with loop mounts and compression adjusters

$691.50 per shock

Pair: $1,383

Lead time up to 5-7 weeks. Popular shocks are often in stock or ship sooner.
Check availability
See full details for HDS224101001R

HDS226201001R

Front/Rear

HD 2.5 Remote Reservoir shock | Custom air ride | 16.1 to 26.2 in, loop/loop

Fits:

  • Custom air ride Any, Front or rear. 16.144 in collapsed to 26.229 in extended. Loop/loop
HD Shocks RT Series remote reservoir shocks with loop mounts and compression adjusters

$691.50 per shock

Pair: $1,383

Lead time up to 5-7 weeks. Popular shocks are often in stock or ship sooner.
Check availability
See full details for HDS226201001R

Get a quote for HD Shocks for Custom Air Ride

Customer & Shipping

Phone or email (at least one) *

Optional. Helps us figure shipping or point you to an installer near you.

Vehicle

Factory shock part number (optional)

The original factory (OEM) shock number. It isn't always printed on the shock, so check your build sheet, chassis dealer or parts book.

Shock length at ride height (inches) (optional)

Nice to have. Measure eye-to-eye (or end-to-end) with the vehicle at normal ride height.

Ride & Use

What's the ride doing? (optional)
Best way to reach you (optional)

Rather talk? 661-243-0020

See inside the 3.0 Billet Piggyback

Watch oil pass through the billet bridge into the piggyback reservoir.

Compare all three on the Technology page

2.5 Remote Reservoir vs 3.0 Billet Piggyback

SpecHD Shocks 2.5 Remote ReservoirHD Shocks 3.0 Billet Piggyback
Body size2.5 inch3.0 inch
Shaft size3/4 inch3/4 inch
ReservoirRemote, connected by a hoseBillet piggyback, no hose
Compression adjusterOn some applicationsNo
Best forSemis with custom air ride, plus 3/4 and 1 ton trucksSemis with custom air ride and the heaviest loads