- Manufactured from precision cnc-machined billet aluminium for superior durability and performance stability.
- 4-hole layout tailored to tune air-fuel distribution and manifold vacuum.
- Fits standard holley squarebore flange carburettors and intake manifolds.
Optimise your engine's induction performance with the Carburettor Spacer 1” Holley Squarebore 4 Hole Billet Aluminium. Constructed from precision CNC-machined billet aluminium, this 4-hole spacer fits standard Holley squarebore flange carburettors. It provides absolute flatness, structural rigidity, and optimal air-fuel plenum volume, making it an ideal modification for street and strip performance tuning.