Speedmaster 1-148-016 Ford Small Block Downdraft EFI Stack Intake Manifold System - 260 289 302W

The Speedmaster 1-148-016 is a complete downdraft electronic fuel injection stack intake manifold system designed for Ford small block 260, 289, and 302W engines. This system combines the classic aesthetic of individual throttle body induction with modern EFI performance, delivering superior throttle response and engine efficiency.

Key Features:

• Precision cast aluminum 50mm IDA-style throttle bodies for exceptional idle characteristics and throttle response
• Complete system includes manifold, throttle bodies, and integrated linkage assembly
• Advanced linkage design incorporates throttle stops, idle controls, lever arms, and joiner/balancer in one unit
• Single screw adjustment for easy calibration of front to rear throttle shafts
• Fully indexable eccentric cable pulley bell crank for optimized drivability
• Tight air/fuel ratio control improves emissions and fuel economy
• Capable of supporting high horsepower applications
• Satin finish for a clean, professional appearance

This downdraft EFI system provides excellent throttle response throughout the RPM range with smooth engine operation. The individual throttle body design delivers crisp performance while maintaining superior idle quality and offering the potential for improved fuel economy through more efficient engine operation.