Valvetrain

Stainless steel conversion kit includes only what's needed to convert your head to the long-life stainless steel Black Diamond intake valves Extends the life of the valvetrain and intake...

Stainless steel conversion kit includes only what's needed to convert your head to the long-life stainless steel Black Diamond intake valves Extends the life of the valvetrain and intake...

Stainless steel conversion kit includes only what's needed to convert your head to the long-life stainless steel Black Diamond intake valves Extends the life of the valvetrain and intake...

Stainless steel conversion kit includes only what's needed to convert your head to the long-life stainless steel Black Diamond intake valves Extends the life of the valvetrain and intake...

Stainless steel conversion kit includes only what's needed to convert your head to the long-life stainless steel Black Diamond intake valves Extends the life of the valvetrain and intake...

Stainless steel conversion kit includes only what's needed to convert your head to the long-life stainless steel Black Diamond intake valves Extends the life of the valvetrain and intake...

Stainless steel conversion kit includes only what's needed to convert your head to the long-life stainless steel Black Diamond intake valves Extends the life of the valvetrain and intake...

Softer Manganese guides can be easily reamed with a battery-operated or electric drill and finished with a high-quality ball hone Tapered nose design for maximum bearing surface and minimal port...

Softer Manganese guides can be easily reamed with a battery-operated or electric drill and finished with a high-quality ball hone Tapered nose design for maximum bearing surface and minimal port...

Softer Manganese guides can be easily reamed with a battery-operated or electric drill and finished with a high-quality ball hone Tapered nose design for maximum bearing surface and minimal port...

These OE style seals incorporate a special low friction graphite impregnated PTFE sealing element. PTFE material does not have memory and therefore is subject to creep. Creep allows the seal to...

Compatible with boosted or turbocharged applications Designed with increased spring rates and high lift compatibility compared to the stock springs CNC-machined titanium or H.T. (Heat Treated)...