The largest diameter aluminium air box is perfect for big bhp applications. The outside diameter is large which means high air flow characteristics but the air box itself is still a 'stubby' design which should help with locating it in the engine bay. If you have the space, 127mm ducting can be used on the inlet
A - (Length) Measurement taken from airbox inlet (C), to filter spinning outlet (D).
Rebated ARAB Spinning reduces length by approx. 20mm
B - (Width) Measurement taken at widest point of filter lid spinning.
Do not measure from screw to screw.
C – Inlet (Dirty air in) measurement taken as internal diameter.
See table for duct sizing guide.
D – Outlet (Clean air out) measurement taken as internal diameter, and relates to ARAB spinning used.
See table for silicone hose sizing guide.
All dimensions are in (mm)
|Part No.||A (Length)||B (Width)||C (Inlet)||D (Outlet)|