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 components by as much as 4x over the OEM titanium parts ...

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 components by as much as 4x over the OEM titanium parts ...

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 components by as much as 4x over the OEM titanium parts ...

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 components by as much as 4x over the OEM titanium parts ...

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 components by as much as 4x over the OEM titanium parts ...

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 components by as much as 4x over the OEM titanium parts ...

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 components by as much as 4x over the OEM titanium parts ...

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 obstruction Accepts OEM top hat valve seals and OEM...

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 obstruction Accepts OEM top hat valve seals and OEM...

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 obstruction Accepts OEM top hat valve seals and OEM...

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 conform to mating surfaces, controlling oil, but not letting...

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) Steel retainers and Cr-Si (Chromium Silicon) alloy dual...