Tech Articles

How to Read CP Wrist Pin Part Numbers & Horsepower Rating

How to Read CP Wrist Pin Part Numbers & Horsepo...

Identifying a CP Piston Wrist Pin is easy thanks to their part numbering method: Example: 866-2250-20CP3C First Three Digits Show Wrist pin diameter Second Four Digits Show Wrist Pin Length Third...

How to Read CP Wrist Pin Part Numbers & Horsepo...

Identifying a CP Piston Wrist Pin is easy thanks to their part numbering method: Example: 866-2250-20CP3C First Three Digits Show Wrist pin diameter Second Four Digits Show Wrist Pin Length Third...

Why “Heavier = Better” Is the Wrong Approach for Turbo Pistons & Pins

Why “Heavier = Better” Is the Wrong Approach fo...

In the turbo world, it’s common to hear builders say they want “the strongest pistons and pins available”—usually meaning the heaviest, thickest, most overbuilt parts money can buy. The assumption...

Why “Heavier = Better” Is the Wrong Approach fo...

In the turbo world, it’s common to hear builders say they want “the strongest pistons and pins available”—usually meaning the heaviest, thickest, most overbuilt parts money can buy. The assumption...

Understanding DLC Coating for Performance Components

Understanding DLC Coating for Performance Compo...

When it comes to reducing friction and increasing durability in high-stress engine components, few technologies match the effectiveness of DLC coating. Short for Diamond-Like Carbon, DLC is a hard, low-friction...

Understanding DLC Coating for Performance Compo...

When it comes to reducing friction and increasing durability in high-stress engine components, few technologies match the effectiveness of DLC coating. Short for Diamond-Like Carbon, DLC is a hard, low-friction...

Behind the Scenes with CAT Cams

Behind the Scenes with CAT Cams

At 5150 AutoSport, we’re always on the hunt for the best performance parts in the world, and when it comes to camshafts, CAT Cams is a name that stands out....

Behind the Scenes with CAT Cams

At 5150 AutoSport, we’re always on the hunt for the best performance parts in the world, and when it comes to camshafts, CAT Cams is a name that stands out....

BMW S55 Crank Hub Failure – What It Is and How to Fix It

BMW S55 Crank Hub Failure – What It Is and How ...

If you own a BMW M3, M4, or M2 Competition with the S55 engine, you’ve probably heard about crank hub failure. It’s one of the most talked-about issues in the...

BMW S55 Crank Hub Failure – What It Is and How ...

If you own a BMW M3, M4, or M2 Competition with the S55 engine, you’ve probably heard about crank hub failure. It’s one of the most talked-about issues in the...

Kelford Cams for B58 and S58 Engines: Precision from New Zealand

Kelford Cams for B58 and S58 Engines: Precision...

When it comes to extracting every bit of performance from BMW’s modern inline-six powerplants, camshaft choice is critical. Whether you’re building a high-horsepower street car, a dedicated track machine, or...

Kelford Cams for B58 and S58 Engines: Precision...

When it comes to extracting every bit of performance from BMW’s modern inline-six powerplants, camshaft choice is critical. Whether you’re building a high-horsepower street car, a dedicated track machine, or...