Speedmaster Downdraft EFI Stack Intake Manifold - Small Block Chevy Fuel Injected
746-1-148-003
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Small Block Chevy
The Speedmaster Individual throttle body EFI system have all the flash of classic Weber induction but provide higher state of tune and engine performance versatility of EFI. Delivering crisp EFI performance with systems capable of supporting high hp. Fuel and air is delivered through precision cast aluminum 50mm IDA style throttle bodies that allow for superior idle characteristics and astounding throttle response while improving emissions and economy through tight air/fuel ratio control.
Speedmaster linkage set incorporates the throttle stops, idle controls, lever arms and joiner/balancer all in one. It also features a single screw adjustment for calibrating front to rear throttle shafts.
The bell crank has a fully indexable eccentric cable pulley that enables good slow speed drivability and still attain full throttle geometry.
Speedmaster throttle bodies have the following feature:
- CNC machined, Heat treated 601 Cast aluminum.
- Butterflies
- Engine Block Style: Stock/OEM standard deck
- Injection Style: 8 Throttle body
- Basic Operating RPM Range: Idle-7,000
- Intake Trumpets: Intake Trumpets Included
- EGR: No
- Injectors Included: No
- Fuel Rails Included: Yes
- Throttle Body Included: 8 Pieces
- Base Material: Aluminum
- Casting Base Finish: Polished
Notes:
- Requires EFI System / Injectors and Sensors
- Works with distributor 121-2375MSD
Specifications:
Will this system work on a ZZ4 Chev crate engine and what other products will I need to purchase to complete the set up
will this be a direct replacement for a TPI in a C4 corvette. currently looking at this or a FITech Ultra Ram EFI system
will it fit a 1977 chevy 350 engine for a c10
Will it work on a new sbc 350 crate engine
Does this intake have a common plenum for the idle air control and map sensor?
Will this work on a 427 tall block?
Will this intake work on a 5.7 lt1 engine
Will this kit fit late model vortec heads. Why do you not sell a turn key kit complete with compatible ECU etc.
Motor Vehicles
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Tools:
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Electrical Cords
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