Phenolic Carburettor Spacer 1/2" Open Centre, Holley 4150 / 4160 Square Bore

A phenolic spacer stops heat soaking from the intake into the carb, so fuel does not boil and percolate. Open centre design can also help torque.

• 1/2" (12.7 mm) thick
• Open centre
• Suits Holley 4150 / 4160 square bore carbs
• Phenolic resin, insulates heat

Frequently asked questions

Why use a phenolic carb spacer?
Phenolic does not conduct heat, so the carb and fuel stay cooler, especially in hot weather.

Will I need longer carb studs?
Yes, add the spacer thickness to your stud length.

Quality and warranty

• Made in China from phenolic resin
• 2-year repair or replacement warranty against defects in materials and workmanship, on top of your rights under Australian Consumer Law
• Sold and backed by Tucks Performance, an Australian-owned business. Not sure what you need? Send us a message

Delivery: ships direct from our supplier partner, usually 10 to 20 days.