Parts Spotlight: Spec Miata Suspension Update 3.10.2021

Penske shocks, version 1 and version 2, will see price increases effective April 1, 2022. Version 1 increases by $10 each; version two increases by $2.26 each.

(For all parts spotlights, click here.)

Find your competition parts needs for your Spec Miata suspension: Penske Racing Shocks, Bilstein, Eibach and More

New Coil-over (Version 2) Penske Racing Shock (Front & Rear)
Prices (Front or Rear): $298.74 (going to $301.00 April 1, 2021)

Front Part #: 0000-04-5275-TB

  • Spec Miata front shock (1990-2005)
  • Eligible classes: ITA, ITS, STL, STU, T4, and Solo
  • Quantity required – 2
  • PDF install instructions found here

Rear Part #: 0000-04-5276-TB

  • Spec Miata rear shock (1990-2005)
  • Eligible: ITA, ITS, STL, STU, T4, and Solo
  • Quantity required – 2
  • PDF install instructions found here

For more info on version 2, click here

Penske Racing Shock – Version 1 (Front & Rear)
Prices (Front or Rear): $212.00 (going to $222.00 April 1, 2021)

Front Part #: 0000-04-5275

  • Spec Miata front shock (1990-2005)
  • Eligible classes: ITA, ITS, STL, STU, T4, and Solo legal
  • Quantity required – 2
  • PDF install instructions found here

Rear Part #: 0000-04-5276

  • Spec Miata rear shock (1990-2005)
  • Eligible: ITA, ITS, STL, STU, T4, and Solo legal
  • Quantity required – 2
  • PDF install instructions found here

Shock Mount Bushing Kit (only works with Penske Racing Shocks)
Part #: 0000-04-5277
Price: $262.39
Description:
•    Penske Racing Shocks Spec Miata top Mount/Bump Stop Kit
•    For use with NB Miata (1999-2005) shock hats (part #NC10-28-340C) or part #: 0000-04-5280 below)
•    Allows for improved shock travel over previous bump stop kit.
•    Improved bump stop material for suspension compliance & protection.

NB Top hat machined to 15/16” (for Penske Racing Shocks only)
Part #:
0000-04-5280
Price: $27.23

  • OEM top hat has been machined to the required 15/16” to accept the spherical bearing for Penske Racing Shocks

Urethane 2.5” coilover spring isolator (required for use with Penske’s and Bilstein’s)
Part #:
0000-04-5900-IS
Price: $15.00

  • Works with Fat Cat Motorsports Shock Mount kits, Spec Miata Penske coil-over, and any 2.5″ race spring mounting into a 99-05 Miata OEM shock hat
  • PDF isolator install instructions found here

Bilstein Gas Shock (Front & Rear)
Front Part #: 0000-04-5225-BL
Price: $99.75
Description:
•    Spec Miata front shock (1990-2005)
•    Bilstein B6 (HD) monotube (non-adjustable) shock
•    Included in all Spec Miata suspension kits
•    Quantity required – 2

Rear Part #: 0000-04-5226-BL
Price: $97.75
Description:
•    Spec Miata rear shock (1990-2005)
•    Bilstein B6 (HD) monotube (non-adjustable) shock
•    Included in all Spec Miata suspension kits
•    Quantity required – 2

Shock Mount Bushing Kit (Fat Cat’s version of the bump stop used with Bilstein’s shocks)
Part #: 0000-04-5900
Price: $305.00
Description:
•    Fat Cat Motorsports Spec Miata Bilstein Shock Mount/Bump Stop Kit
•    For use with NB Miata (1999-2005) shock hats (part #NC10-28-340C) only
•    Allows for more shock travel than the OEM bump stop
•    Improved bump stop material to improve suspension compliance
•    Included with Spec Miata kit #s (K-SPEC-M5-SCTP, and K-SPEC-M5-SCT8)

Eibach Spring (6” / 700)
Part #: 0000-04-9700-06
Price: $65.00
Description:
•    Eibach ERS Coilover Spring (2.5″ Inner Diameter)
•    Length – 6 inches; Rate – 700 lbs/inch
•    Spec Miata Suspension Front Spring (1990-2005)
•    Included in all Spec Miata suspension kits

Eibach Spring (7” / 325)
Part #: 0000-04-9325-07
Price: $65.00
Description:
•    Eibach ERS Coilover Spring (2.5″ Inner Diameter)
•    Length – 7 inches; Rate – 325 lbs/inch
•    Spec Miata Suspension Rear Spring (1990-2005)
•    Included in all Spec Miata suspension kits

Eibach Sway Bar Kit
Part #: 0000-04-5304-EB
Price: $239.00
Description: (1999-2005 Miatas)
•    Includes front and rear sway bar, greased urethane bushings and hardware
•    Front bar – 27mm Diameter (Solid/Non-adjustable)
•    Rear bar – 15mm Diameter (Solid/3 Way Adjustable)

Eibach Sway Bar Kit
Part #: 0000-04-5303-EB
Price: $229.00
Description: (1994-1997 Miatas)
•    Includes front and rear sway bar, greased urethane bushings and hardware
•    Front bar – 24mm Diameter (Solid/Non-adjustable)
•    Rear bar – 15mm Diameter (Solid/3 Way Adjustable)

Eibach Sway Bar Kit
Part #: 0000-04-5302-EB
Price: $239.00
Description: (1990-1993 Miatas)
•    Includes front and rear sway bar, greased urethane bushings and hardware
•    Front bar – 24mm Diameter (Solid/Non-adjustable)
•    Rear bar – 15mm Diameter (Solid/3 Way Adjustable)

Sway Bar Bushing & Bracket Kits
Part #:
0000-04-5302-KT (for 1990 – 1993 Miatas)
Price: $15.25

Part #: 0000-04-5303-KT (for 1994-1997 Miatas)
Price: $23.63

Part #: 0000-04-5304-KT (for 1999-2005 Miatas)
Price: $14.46

Coil-over Sleeve Kit
Part #: 0000-04-5402-04
Price: $235.00
Description:
•    2.5″ Spring Coil-Over Kit for Penske & Bilstein Shocks
•    5″ long threaded sleeves
•    Includes lower spring perches
•    Included with all Spec Miata suspension kits

Coil-over Sleeve Single (replacement)
Part #: 0000-04-5402-01
Price: $73.80

Miata Offset Bushings
Urethane Bushing Set
Part #: 0000-04-5409
Price: $59.00

Delrin Bushing Set
Part #: 0000-04-5419
Price:  $98.00

Subframe Braces
Quantity two (2) subframe braces to brace one (1) front NA or NB subframe.
Part #:
0000-04-5989
Price:
$35.00

Adjustable Sway Bar End Links
Kit Part
#: 0000-04-5497-KT (price: $140.00)
Description: Fits front & rears (four in total)

Front-only part
#: 0000-04-5497-FR ($37.50 each)
Rear-only part
#: 0000-04-5497-RR ($32.75 each)

Call 800.435.2508 to order or log in to your account now to get your Spec Miata build on its way.