FEULING OIL PUMP CORP. Velocity Stack - Black - M8 5401

If you're running a modified M8 engine with ported heads and an oversized throttle body, intake velocity is critical to maximizing fuel atomization and combustion efficiency. This billet aluminum velocity stack is engineered to accelerate incoming charge while maintaining smooth airflow characteristics—delivering measurable horsepower and torque gains on track-focused builds. Built domestically and designed for serious racers, it's the kind of precision component that separates competitive machines from the rest.

• Material: Billet aluminum
• Height: 3 inches
• Fitment: M-Eight throttle body
• Inlet diameter: 4 inches
• Tapered ID: 2.4 inches
• Matched to: 62mm throttles
• Finish: Natural aluminum
• Installation: Bolt-on
• Note: Requires custom breather or aftermarket air cleaner backing plate with internal breather
• Origin: Made in U.S.A.
• Quantity: Sold individually