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Scepter Holdings, Inc. has merged with Nevada based, auto performance tuner and engine fabricator, IP Motorsports. IP Motorsports has contracted and licensed with Insane Power Competition Engines, one of the MOST respected and desired custom race engine builders, rebuilders and performance upgrade parts manufacturer in the nation, with goals to build custom high powered engines using clean performance fuels such as E85 and the likes.

Scepter Holdings’ business model is to be a research and acquisition hub, focused on building and acquiring cash-flowing assets in areas that have an identified technological advantage and a substantial market opportunity within significant target markets across the globe.


Give your competitive ride a boost or a tune-up and some SERIOUS power! Get ready to rev up the engine and listen to the motor purr after a visit to the experts! Our professional technicians have decades of experience in building high powered, eco-friendly engines. Competition? What competition…


We provide consumers with products that are precision built, premium quality and must fit the highest manufacturing standards. The products must work to maintain reliability and safety in any environment from on-street to on-track use, while providing the highest possible peak WHP available.


We pride ourselves on only using the best materials available for the custom work we perform. Our full fabrication shop insures our ability to create custom pieces to meet your needs.

Results Driven

Proven Technology

Winning Culture

Top Performance

IP Motorsports offers a full line of performance engines on and off the track. You can depend on their 30+ years of experience and their dedication to customer service when you decide to upgrade your engine or build your dream car.

From their Custom Fabrication Department to their In-House superflow dynamometer, IP Motorsports gets it done RIGHT the first time. Click ‘Like Page’ on the Facebook feed (shown right) to stay abreast of all the latest and greatest in high output horsepower engines and much, MUCH more!

Shane 's Monster lives!!! Going through heat cycles.. Friday Night fun.. ... See MoreSee Less

My office view today! Playing with Glenn on dyno with a 9.1 motor. ... See MoreSee Less

Glenn Madden and I were dyno test all day on this Blown Marine Engine with full wet exhaust system. ... See MoreSee Less

Thank you Pig Mat for hooking us up!! ... See MoreSee Less

Well finished my buddy Shane Olmstead engine, just waiting for our valve covers . Now we can finish up Anthony's Engine. For some nasty street racing! ... See MoreSee Less

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