5150 FAQ

Piston Slap & Offset Wrist Pin Design

Overview Engine Builders typically utilize increased piston-to-wall clearance when assembling a high performance, boosted engine to account for increased power levels, combustion temperatures, and varying thermal expansion properties between the...

Piston Slap & Offset Wrist Pin Design

Overview Engine Builders typically utilize increased piston-to-wall clearance when assembling a high performance, boosted engine to account for increased power levels, combustion temperatures, and varying thermal expansion properties between the...

CP-Carrillo Piston Ring Installation Guide

Failure to check ring gap can result in severe engine failure; don't risk your engine build. This reference sheet includes all of CP-Carrillo's recommendations for determining proper piston ring gap,...

CP-Carrillo Piston Ring Installation Guide

Failure to check ring gap can result in severe engine failure; don't risk your engine build. This reference sheet includes all of CP-Carrillo's recommendations for determining proper piston ring gap,...

Cylinder Sleeve Installation 101

Cylinder Sleeve Installation 101

1. Preparing the Block Boring and Honing A BMW S58 Engine Block getting prepared for Cylinder Sleeving. Photo Courtesy of SpecJ Motorsport. After boring out original aluminum in preparation for sleeve...

Cylinder Sleeve Installation 101

1. Preparing the Block Boring and Honing A BMW S58 Engine Block getting prepared for Cylinder Sleeving. Photo Courtesy of SpecJ Motorsport. After boring out original aluminum in preparation for sleeve...

Why Replace Rod Bearings?

Why Replace Rod Bearings?

The truth is, it doesn't matter your driving style or vehicle application, BMW rod bearings are a ticking bomb, with the consequences including severe crankshaft damage, engine seizure, or complete...

Why Replace Rod Bearings?

The truth is, it doesn't matter your driving style or vehicle application, BMW rod bearings are a ticking bomb, with the consequences including severe crankshaft damage, engine seizure, or complete...

Factory Main Bolts vs. ARP Main Studs: The Importance of Upgrading

Factory Main Bolts vs. ARP Main Studs: The Impo...

Upgrading from factory main bolts to ARP Main Studs is a simple, yet greatly beneficial upgrade. ARP Main Stud Kits offer uniform clamping force, improved block stability and rigidity, help...

Factory Main Bolts vs. ARP Main Studs: The Impo...

Upgrading from factory main bolts to ARP Main Studs is a simple, yet greatly beneficial upgrade. ARP Main Stud Kits offer uniform clamping force, improved block stability and rigidity, help...

ARP Hardware Materials 101

ARP Hardware Materials 101

Anytime that you are upgrading your engine, adding power, increasing boost, etc, it is a MUST to upgrade the fasteners holding your engine together. ARP hardware is an easy choice,...

ARP Hardware Materials 101

Anytime that you are upgrading your engine, adding power, increasing boost, etc, it is a MUST to upgrade the fasteners holding your engine together. ARP hardware is an easy choice,...