SKU: 307603

307603 Billet Throttle Body 4150 Square Bore Flange. Air Only Multiport Injection EFI MPI T/Bodies

1,375 cfm + Includes TPS IAC


or 4 payments of $262.75 with Info

Sold Out


FAST™ 4 Barrel Throttle Bodies incorporate tapered and radiused throttle bores and precisely machined progressive linkage for smooth throttle operation and unparalleled airflow. More airflow equals more horsepower.

  • Inward opening throttle blades eliminate part throttle directional influence by the blades that can cause poor air distribution

  • Shorter height for better airflow, easier packaging for tight hood clearance & reduced weight

  • Throttle blades attached to stainless steel shafts w/ aircraft quality hardware and peened to assure positive retention

  • Bodies are machined from 6061-T6 billet aluminum for consistent quality, excellent appearance and light weight

  • Brass throttle blades control vibration & reduce thermal expansion

Throttle Body Style:        Multi-port injection, MPI

Venturi Quantity:             4

Throttle Body Actuation:              Cable

Airflow Rate (cfm):          1,375 cfm

TPS Sensor Included:      Yes

IAC Motor Included:       Yes

Gaskets Included:            Yes

Hardware Included:        No

Injectors Included:          No

Throttle Body Material: Billet aluminum

Throttle Body Finish:      Red anodized

Quantity:             Sold individually.

Notes:  Designed to fit 4150 style intake manifolds.


SKU 307603
Barcode # 021174160901
Brand FAST
Title Red 4150 Flange Air Only Throttle Body for Multiport Injection EFI Systems
Mounting Flange Style 4150


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