en-us Thu, 13 Aug 2026 23:39:34 GMT 184804029 https://motorheadmedia.com/spec-series/184804029/track20-40-years-of-wiring-know-how-built-for-racers..html Introducing Track20 from American Autowire. The next generation of vehicle electrical systems built on more than 40 years of wiring expertise. Whether you're building a drag car, autocross machine, pro-touring build, street rod, off-road rig, or custom project, Track20 is designed to simplify the wiring process while delivering the reliability today's performance vehicles demand. Unlike traditional wiring harnesses that can be difficult to install, modify, and troubleshoot, Track20…

]]> Road Racing Cars: NASA : Spec Series Wed, 12 Aug 2026 07:50:06 GMT 184804019 https://motorheadmedia.com/spec-series/184804019/track20-40-years-of-wiring-know-how-built-for-racers..html Introducing Track20 from American Autowire. The next generation of vehicle electrical systems built on more than 40 years of wiring expertise. Whether you're building a drag car, autocross machine, pro-touring build, street rod, off-road rig, or custom project, Track20 is designed to simplify the wiring process while delivering the reliability today's performance vehicles demand. Unlike traditional wiring harnesses that can be difficult to install, modify, and troubleshoot, Track20…

]]> Road Racing Cars: NASA : Spec Series Wed, 12 Aug 2026 07:50:06 GMT 184820153 https://motorheadmedia.com/spec-series/184820153/2002-bmw-spec-e46-sedan.html Item Description 2002 BMW Spec E46 Sedan. RRT Engine build from 2022. 8 HPDE days since early 2024. I purchased it to do DEs and maybe go racing. Change of priorities has me going back to a dual-purpose street/track car. Multiple wheel sets, some spares. Has NASA / BMW CCA log books. Many receipts included. Engine ● RRT Refreshed Head and Bottom End (2022) ● MSW E46 Non-M Oil Cooler Kit ● Epic Spec E46 Race tune, with secondary ● GSR M52/M54 Four-Bolt Oil Pump Shaft ● Vibratechnics…

]]> Road Racing Cars: NASA : Spec Series Sun, 09 Aug 2026 18:36:18 GMT 184768170 https://motorheadmedia.com/spec-series/184768170/sebeco-np01-evo-amazing-tequila-patron-livery-79k-obo.html 2018 Elan Motorsports/Sebeco NP01-Evo For Sale: $95,000 O.B.O. (*Current wait time for new car builds at Sebeco is at least 3 wks and prices start at $130K and higher depending on spec.) Chassis Number: 34 (Last full chassis built be Elan Motorsports before Sebeco took over) Bought in new condition from private seller who never ran car (0 miles): Late August 2019. Spec engine power rating: 210hp Dyno verified power at the wheels: 204hp verified on 1/27/2026 The car currently has 58.10 hours of…

]]> Road Racing Cars: NASA : Spec Series Thu, 30 Jul 2026 22:07:48 GMT 184814187 https://motorheadmedia.com/spec-series/184814187/spec-e46-for-sale-track-ready-.html My client is selling his Spec e46 we built for him to. Going to be racing another class most of the time . Car is a 2001 e46 330i sedan . The engine has 2 weekends on it since rebuild . The car was built for a 6.5 260lbs driver. Seat base is fully adjustable and built into car. Cage was done by Roberson Racing Enterprises. Everything from wiring harness thinning to all new electronics has been replaced or updated. Car last Race at Road Atlanta 2026 with Nasa . So much to list so please…

]]> Road Racing Cars: NASA : Spec Series Wed, 22 Jul 2026 16:55:38 GMT 184812981 https://motorheadmedia.com/spec-series/184812981/944-spec-car-for-sale.html This is a competitive and very well-maintained car that has been driven for 140 hours since it was built. Multiple wins at NASA 944 spec events and a 2nd and 4th place at nationals. 83 body with 86 (late) suspension Short 5th gearbox with LSD Ground up build with 140 hours on the car and 115 hours on the engine. All bearings, bushings and hoses were replaced during build, rod bearings were replaced at 98 hours (73 engine hours) Engine has a cross drilled crank with oil port at TDC and…

]]> Road Racing Cars: NASA : Spec Series Sat, 18 Jul 2026 17:20:22 GMT 184796954 https://motorheadmedia.com/spec-series/184796954/2003-spec-corvette-nasa-corvette-cup.html 2003 Corvette Z06 has both SCCA & NASA log books. Includes a spare 2002 parts car with a good LS1 (pictures of the spare car upon request). I raced this car as a Spec Corvette and SCCA T2 car. Mostly ran as a Tuner 1 & 2 SCCA Time Trial car. Tuned by Frumusa Performance to 377whp. I have the old T2 restrictor plates and ballast plates on passenger floor for different racing classifications. Vette Villians rebuilt transmission, Spec Corvette Penskes, 3 quart accusump in driver's…

]]> Road Racing Cars: NASA : Spec Series Thu, 21 May 2026 17:12:24 GMT