1999 Porsche Spec Boxster

Race Winner. SCCA T3, and PCA Class SPB



The Spec Boxster series is the largest and most competitive class in Porsche Club racing and typically draws fields of 25-30 cars. The series is limited to first-generation Porsche Boxsters (1997-1999) and requires the use of stock OEM 2.5L engines and stock transmissions. Some upgrades are allowed in suspension and braking systems.

This car’s brake calipers were completely refurbished in January 2022 by PMB Performance in Salt Lake City. The suspension was upgraded to the fully-adjustable Motion Control 1WNR SPB damper system in October 2020. All other parts are easily sourced on the open market.

The Boxster was transformed into a Spec Boxster racer in April 2018 by RennPart Motorsports in Virginia. The car won its first two races out of the box. It was purchased by the current owner in August 2020 and has raced 3,230 miles since then.

 In September ,2021, a rare, zero hour, Porsche factory 2.5L M96 engine was installed by Vortex Motorsports in Tampa. The engine has now raced fewer than 2,000 miles since installation and its performance has been flawless. It produced more than 200HP in a recent dynamometer run (193-195 is typical for Boxster engines).

 Maintenance has been meticulously performed after each race. Fluids are regularly changed. Brake pads are new. Most general maintenance can be performed in a home garage. Exacting records have been kept on all maintenance work, including cost and part sourcing.

 The car has raced at Sebring, Daytona International Speedway, Miami Homestead, Road Atlanta, VIR, Carolina Motorsports, Watkins Glen, COTA, New Orleans, Mosport, Indianapolis Motor Speedway, and Road America. It has victories at VIR, Road Atlanta, Mosport, and Road America and podiums at Sebring, Watkins Glen, and New Orleans. In SCCA, the car has podiums at Daytona, Sebring, and VIR and is competitive against Mustangs, BMWs, and Nissans. It has also competed in The Mitty, Historic Sports Car Racing’s classic weekend at Road Atlanta.

 The Porsche was featured on the April cover of PCA Club Racing Magazine.



Porsche Factory OEM 2.5L Engine

Motion Control Suspension, MCS 1WNR SPB damper system

Tarrett SPB MCS Spring Kit, 450/500 Rate

Porsche GT3 lower control arms 

–Stock OEM Porsche G86/00 5-speed transmission

Numeric high-performance shifter, cables, and riser

Sachs lightweight performance clutch

Aasco lightweight aluminum flywheel

Porsche OEM throttle cable (Jan.2022)

LN Engineering 11-QT deep oil sump kit

Fabspeed Porsche Boxster race exhaust

Jongbloed lightweight racing wheels

–Third (center) radiator

–Boxster S coolant lines

–Switched Setrab transmission oil cooler

Tilton high-pressure gearbox oil pump

–Switched engine compartment exhaust fan 

Odyssey Extreme Series PC925 battery

Rennline battery mount kit

–Hard-wired transponder (non-subscription)


AIM MXS1.2 programmable color dash, displays RPM, speed, shift points, predictive lap times, gearing, temperatures, etc.

AIM HD Smartycam, programmable with auto start and video display

–Custom brake and throttle sensors, overlay data on Smartycam videos

–Roof-mounted GPS antenna


–GT3 master brake cylinder

Brembo brake calipers (New Jan. 2022)

Sebro slotted brake rotors (New Jan. 2022)

Pagid brake pads (Yellow Front, Black Rears)

–Stainless steel brake lines

–ABS wheel speed sensors (New Jan. 2022)


OMP HTE-R FIA containment seat (expires end of 2023)

–Mounted on fully-adjustable Sparco seat slider kit

–Steel reinforced floor seat anchors (ready for optional passenger seat)

Schroth 6-point Flexi Hans harness (black) expires at the end of 2023 

Porsche Motorsports 991 Cup steering wheel with built-in P/T button

NRG Innovations quick-release steering hub Gen 3.0

–Steering wheel-mounted AccuSplit timer/clock

–Custom Vali dash panel with fuse box and covered switches

Rennline Rev3 fully-adjustable Throttle Pedal

Numeric dead pedal

Axia 17″ panoramic rearview mirror

–Convex aluminum side-view mirrors

–Cage-mounted steering wheel storage hook

–Plumbed 19-QT Coolshirt Club system


–Chromoly steel 1.5” (x 0.120”) roll cage with NASCAR side bars

–Steel reinforced floor seat anchors

–FIA roll cage padding and non-skid cockpit flooring

Porsche lightweight crash bars (front & rear)

–Lexan windshield and tear-offs

–Switched SCCA-compliant FIA rain light

–Removable lightweight fiberglass roof

–PCA-compliant roof roll-over safety net

Aerocatch hood latches

–Custom welded steel center jack points

–Driver-side FIA window safety net

OMP tow straps


–Electrical-triggered SPA AFF fire system with a 2.25 liter bottle

–Hand-held fire extinguisher mounted on the cockpit roll bar  

Element hand-held non-chemical high-performance fire extinguisher


–Dash-mounted 16-channel Motorola CM200d radio

–Push-to-Talk button hard-wired on steering wheel

SpeedCom Phantom Elite high-gain Shark Fin antenna

–Digital SpeedCom crew radio system (radio and headset)

–Custom hard-shell lockable carry case


–SCCA-compliant Fuel Test Port (and pump-out)

–Custom Lexan travel/rain windows

–Covercraft waterproof car cover


–Three sets of wheels included: Two sets of Jongbloed SPB PCA-approved wheels with Toyo RR SPB spec tires, and a third set of OEM Porsche wheels (silver) with Toyo treaded rain tires for PCA.


–Custom vinyl wrap (KI Studios in San Diego) Design: “Shredded”

The Porsche has been maintained by Vortex Motorsports in Tampa, FL, and is currently located in Florida. The car comes with current PCA and SCCA Competition Log Books.

All vehicle descriptions are accurate to the best of our knowledge at the time of writing. Corrections, and supplemental information, are always welcome. Buyers are responsible for confirming vehicle histories, condition, and authenticity to their own satisfaction prior to purchase. Motorsports Market is not the owner of the vehicle and assumes no liability for errors and omissions.

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