Tech Articles

CP-Carrillo Piston Installation Orientation
It's a question we get a lot: looking at a CP-Carrillo Piston, how can I tell the proper installation orientation? How do I know which side is exhaust vs. intake?...
CP-Carrillo Piston Installation Orientation
It's a question we get a lot: looking at a CP-Carrillo Piston, how can I tell the proper installation orientation? How do I know which side is exhaust vs. intake?...

OEM vs ARP Head Studs: What's the Difference?
Firstly, Studs vs. Bolts: Which is Better? For most applications, head studs are the better, recommended choice for standard engine builds, and invariably the only choice for performance BMW builds....
OEM vs ARP Head Studs: What's the Difference?
Firstly, Studs vs. Bolts: Which is Better? For most applications, head studs are the better, recommended choice for standard engine builds, and invariably the only choice for performance BMW builds....

Cylinder Head Sealing 101: Head Gaskets, Spacer...
Head Gaskets Head Gaskets are one of the most overlooked and inexpensive components to buy when building a performance street or race engine, yet are easily one of the most important....
Cylinder Head Sealing 101: Head Gaskets, Spacer...
Head Gaskets Head Gaskets are one of the most overlooked and inexpensive components to buy when building a performance street or race engine, yet are easily one of the most important....

Oil Support Rails (OSR)
Oil Support Rails, OSRs, Oil Rail Supports, Oil Ring Support Rails and Rings; What are they? Photo Courtesy of CP-Carrillo In pistons with reduced compression height, the wrist pin bore...
Oil Support Rails (OSR)
Oil Support Rails, OSRs, Oil Rail Supports, Oil Ring Support Rails and Rings; What are they? Photo Courtesy of CP-Carrillo In pistons with reduced compression height, the wrist pin bore...

Physical Vapor Deposition (PVD)
PVD Coated Piston Rings: What are they? Photo Courtesy of CP-Carrillo Physical Vapor Deposition (PVD) is a specialty coating used by CP-Carrillo on specialized ring sets, favored for its finish, which...
Physical Vapor Deposition (PVD)
PVD Coated Piston Rings: What are they? Photo Courtesy of CP-Carrillo Physical Vapor Deposition (PVD) is a specialty coating used by CP-Carrillo on specialized ring sets, favored for its finish, which...

Forged vs. Cast Pistons
Piston selection is a critical step during the engine build process; pistons are the backbone of any true performance engine. Not only is it crucial to choose the right bore...
Forged vs. Cast Pistons
Piston selection is a critical step during the engine build process; pistons are the backbone of any true performance engine. Not only is it crucial to choose the right bore...