We chose to manufacture our valve guides from Phosphor Bronze (Cn-Sn-P Alloy) based on it's proven ability to dissipate heat and low friction properties.

A valve guides performance is vital in high power and high RPM engines, phosphor bronze has excellent low friction properties, it is less likely to seize, wear or crack.

Note - All guides will require honing after fitting.

RB26 Inlet - 10.03mm OD - 6mm ID
RB26 Exhaust - 11.03mm OD - 7mm ID
SR20 Inlet - 10.03mm OD - 6mm ID
SR20 Exhaust - 11.03mm OD - 7mm ID