Lucas Oil Fuel System Products
Preventive maintenance for fuel systems is just as important as regular oil changes.
Thousands Oppose California’s Mandate Banning New Gas-Powered Vehicle Sales
SEMA members and industry consumers send EPA over 5,000 letters in opposition to ACC II Waiver
Cummins Announces Next Gen X15 Diesel Engine
Cummins Inc. has announced it will launch its most efficient heavy-duty diesel engine ever. As the next product in the Cummins HELM 15-liter fuel agnostic platform, the diesel X15 will be compliant with U.S. EPA and CARB 2027 aligned regulations at launch. The next generation X15 diesel engine in North America will serve the heavy-duty
Summit Racing Big Block Chevy Hydraulic Roller Camshafts
Made in the USA from billet bearing steel and finished on Landis grinders, the cams have a 4/7 firing order.
Turbocharged 5.9L Cummins Engine
As an industrial millwright, Devan Leeds has a lot of knowledge and skills with his hands. He’s also a thrill seeker when it comes to high-speed vehicles. Case in point, his ’03 Ram 2500, which features a rowdy, turbocharged 5.9L Cummins engine under the hood. Check it out!
Designing a Better LS Engine
After a customer wanted a Steve Morris Engines’ SMX in an LS version, Steve saw the upside and potential in the market, and a challenge to build a better LS.
Horsepower and Head Gasket Technology
Head gaskets have one of the toughest job in an engine, and now we’re pushing them harder than ever, making it easier to expose the slightest weakness.
Inside the Development of Frankenstein’s F-Series LS Cylinder Heads
Right away, engine builders knew it was special.
Engine Builder Hall of Fame Names Inaugural Class
The racing industry was built by talented, innovative and creative innovators, driven to achieve faster, quicker, higher performing engines. To show appreciation and support to the pioneers and those continuing to push engines further than they’ve gone before, the Engine Builder Hall of Fame has been established. The Engine Builder Hall of Fame mission statement
Summit Racing Pro SBC Turbo Camshaft
Designed to fit 1986 to 2002 factory roller cam blocks, these American-made hydraulic roller cams feature ultra-modern lobe technology compatible with modern turbochargers.
1,500-HP 6.7L Cummins-Powered Cuda
The Plymouth Hemi Cuda is a quintessential muscle car for many gear heads. But who knew swapping a compound turbo 6.7L Cummins into a Cuda could make it even cooler? Randy Weaver of Weaver Customs did just that. Check out what went into this unique build!
Erson Titanium Valves
These valves were meticulously crafted to meet the demands of high-performance racing applications.
SEMA-Supported Bills Filed to Repeal Virigina ICE Ban
Virginia legislators have introduced companion bills (H.B. 3 and S.B. 3) to repeal the Commonwealth’s zero-emissions vehicle (ZEV) mandates. The legislation, filed by Delegate Tony Wilt and Senator Richard Stuart, follows SEMA’s first-ever independent expenditure effort in Virginia’s November elections around the state’s attachment to California’s emissions standards, including its impending zero-emissions vehicle mandates. The mandates would
The Impact of Fuel Type on Engine Performance
When it comes to choosing the right fuel for your vehicle, several factors should be taken into consideration. These factors include the vehicle’s engine design, manufacturer recommendations, intended usage, and personal preferences.
UEM’s Speed of Air Hyperformance Piston and Ring Kit
Make your Cummins, Duramax, or Powerstroke diesel even more powerful and fuel efficient with fewer emissions with a United Engine and Machine Speed of Air Hyperformance Piston and Ring Kit. The pistons feature patented technology from Speed of Air Engine Technologies, a company that helps make internal combustion engines. The Hyperformance piston crowns have machined
Manley “Extreme Duty” Inconel Exhaust Valves
Manley’s Extreme Duty valves are manufactured from unique XH-432 XtremeAlloy, which has been the mainstay of drag racing’s top pros for decades.
Gator Fasteners from Summit Racing Equipment
Keep things together in your Cummins, Duramax, or Powerstroke diesel with Gator Fasteners head studs, main cap studs, and rod bolts. Made from 8740 chromoly steel, the fasteners are heat-treated before the threads are rolled. That provides optimum fatigue strength. The fasteners are also centerless ground for dimensional accuracy and a secure fit. Heavy-Duty Head
GM Registers as a Formula 1 Power Unit Manufacturer
General Motors announced it has formally registered with the FIA as a Formula 1 power unit manufacturer starting in the 2028 season. “We are thrilled that our new Andretti Cadillac F1 entry will be powered by a GM power unit,” said GM President Mark Reuss. “With our deep engineering and racing expertise, we’re confident we’ll develop a
Crankshaft Counterweights
Most engines are internally balanced, meaning all weight adjustment is done on the crankshaft counterweights. However, some stock and modified engines require external balancing due to an increased stroke or larger pistons, and the crankshaft counterweights that would be required to offset the increased inertia simply don’t fit inside the crankcase.
Fluidampr Harmonic Damper from Summit Racing Equipment
The factory harmonic damper on your modern GM, Ford, or Mopar V8 are ‘tuned’ to absorb what’s called torsional vibration in the engine’s normal operating RPM range. Performance modifications, particularly ones that increase torque, produce added vibration in an RPM range that the elastomer damper wasn’t designed to handle. That vibration will accelerate component wear,
