- Fuel Injection Systems
- Speedmaster Downdraft EFI Stack Intake Manifold Systems
EFI Performance Intakes
Speedmaster's Downdraft EFI Stack Intake Manifold Systems are designed to provide exceptional EFI tuning and versatile engine performance. These intake systems deliver crisp EFI performance in up to 1000 hp applications. Precision cast aluminum 50mm IDA-style throttle bodies supply sufficient fuel and air to provide superior idle characteristics and throttle response. Improve your vehicle's emissions and air/fuel ratio economy with a downdraft EFI stack intake manifold system from Speedmaster!
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Ford
Speedmaster 1-148-009
Speedmaster Downdraft EFI Stack Intake Manifold - Big Block Ford 460 Fuel Injected - Black
$2,450.00
Estimated to ship direct from manufacturer in 24hrs
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Speedmaster 1-148-008
Speedmaster Downdraft EFI Stack Intake Manifold - Big Block Ford 460 Fuel Injected
$2,450.00
Estimated to ship direct from manufacturer in 24hrs
FREE Shipping
Lowest Price Guarantee
Speedmaster 1-148-010
Speedmaster Downdraft EFI Stack Intake Manifold - Ford FE 390/427/428 Fuel Injected
$2,450.00
(1)
Estimated to ship direct from manufacturer on 09/20/24, pending manufacturer availability.
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$2,450.00
(1)
Estimated to ship direct from manufacturer on 09/20/24, pending manufacturer availability.
FREE Shipping
Lowest Price Guarantee
Speedmaster 1-148-011
Speedmaster Downdraft EFI Stack Intake Manifold - Small Block Ford 260, 289, 302W Fuel Injected
$2,450.00
(3)
Estimated to ship direct from manufacturer in 24hrs
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Speedmaster 1-148-015
Speedmaster Downdraft EFI Stack Intake Manifold - Small Block Ford 260, 289, 302W Fuel Injected - Black
$1,911.00
Estimated to ship direct from manufacturer in 24hrs
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Speedmaster 1-148-016
Speedmaster Downdraft EFI Stack Intake Manifold - Small Block Ford 260, 289, 302W Fuel Injected - Satin
$2,320.00
Estimated to ship direct from manufacturer in 24hrs
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Speedmaster PCE148.1081K
Speedmaster Complete Downdraft EFI Stack Intake Manifold System Kit Big Block Ford 460
$3,574.94
(2)
Estimated to ship direct from manufacturer on 09/30/24, pending manufacturer availability.
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$3,574.94
(2)
Estimated to ship direct from manufacturer on 09/30/24, pending manufacturer availability.
FREE Shipping
Lowest Price Guarantee
Speedmaster PCE148.1053
Speedmaster Downdraft EFI Stack Intake Manifold Ford 302/351C [Satin Finish]
$1,059.51
Estimated to ship direct from manufacturer on 09/27/24, pending manufacturer availability.
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$1,059.51
Estimated to ship direct from manufacturer on 09/27/24, pending manufacturer availability.
FREE Shipping
Lowest Price Guarantee
Speedmaster 1-135-005-02
Speedmaster 1-135-005-02 Ford 351W Windsor Downdraft & FiTech Ultra EFI Fuel Injection System [Polished]
$3,894.00
Estimated to ship direct from manufacturer in 24hrs
FREE Shipping
Lowest Price Guarantee
Speedmaster 1-135-006-02
Speedmaster 1-135-006-02 Ford 351W Windsor Sidedraft & FiTech Ultra EFI Fuel Injection System [Polished]
$3,894.00
Estimated to ship direct from manufacturer in 24hrs
FREE Shipping
Lowest Price Guarantee
Speedmaster 1-135-007-02
Speedmaster 1-135-007-02 Ford BB 460 Downdraft & FiTech Ultra EFI Fuel Injection System [Polished]
$3,894.00
Estimated to ship direct from manufacturer in 24hrs
FREE Shipping
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Speedmaster 1-135-008-02
Speedmaster 1-135-008-02 Ford FE 390 427 428 Downdraft & FiTech Ultra EFI Fuel Injection System [Polished]
$3,894.00
Estimated to ship direct from manufacturer in 24hrs
FREE Shipping
Lowest Price Guarantee
Speedmaster 1-135-009-02
Speedmaster 1-135-009-02 Ford SB 289 302W Downdraft & FiTech Ultra EFI Fuel Injection System [Polished]
$3,894.00
Estimated to ship direct from manufacturer on 09/20/24, pending manufacturer availability.
FREE Shipping
Lowest Price Guarantee
$3,894.00
Estimated to ship direct from manufacturer on 09/20/24, pending manufacturer availability.
FREE Shipping
Lowest Price Guarantee
Speedmaster 1-135-011-02
Speedmaster 1-135-011-02 Ford BB 460 Downdraft & FiTech Ultra EFI Fuel Injection System [Black]
$3,894.00
Estimated to ship direct from manufacturer in 24hrs
FREE Shipping
Lowest Price Guarantee
Speedmaster 1-135-013-02
Speedmaster 1-135-013-02 Ford SB 260 289 302W Downdraft & FiTech Ultra EFI Fuel Injection System [Satin]
$3,894.00
Estimated to ship direct from manufacturer in 24hrs
FREE Shipping
Lowest Price Guarantee
Speedmaster 1-135-018-02
Speedmaster 1-135-018-02 Ford 351W Windsor Downdraft & FiTech Ultra EFI Fuel Injection System [Satin]
$3,894.00
Estimated to ship direct from manufacturer in 24hrs
FREE Shipping
Lowest Price Guarantee
Speedmaster 1-135-019-02 Ford 351W Windsor Downdraft& FiTech Ultra EFI Fuel Injection System [Black]
Speedmaster 1-135-019-02
Speedmaster 1-135-019-02 Ford 351W Windsor Downdraft& FiTech Ultra EFI Fuel Injection System [Black]
$3,894.00
Estimated to ship direct from manufacturer in 24hrs
FREE Shipping
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GM
Speedmaster 1-148-042-02
Speedmaster Complete Downdraft EFI Stack Intake Manifold System [Chevy LS1 Fuel Injected] Polished
$2,450.00
Estimated to ship direct from manufacturer in 24hrs
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$4,410.95
Estimated to ship direct from manufacturer on 10/29/24, pending manufacturer availability.
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Lowest Price Guarantee
$4,410.95
Estimated to ship direct from manufacturer on 10/29/24, pending manufacturer availability.
FREE Shipping
Lowest Price Guarantee
Speedmaster PCE148.1055
Speedmaster PCE148.1055 Chevy LS7 Side Draft EFI Stack Intake Manifold System Complete [Satin]
$1,271.40
Ships Today
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Speedmaster 1-135-001-02 Chevy BBC 454 Downdraft & FiTech Ultra EFI Fuel Injection System [Polished]
Speedmaster 1-135-001-02
Speedmaster 1-135-001-02 Chevy BBC 454 Downdraft & FiTech Ultra EFI Fuel Injection System [Polished]
$3,894.00
Estimated to ship direct from manufacturer in 24hrs
FREE Shipping
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Speedmaster 1-135-002-02
Speedmaster 1-135-002-02 Chevy GM LS3 Downdraft & FiTech Ultra EFI Fuel Injection System [Polished]
$3,894.00
Estimated to ship direct from manufacturer in 24hrs
FREE Shipping
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Speedmaster 1-135-003-02 Chevy SBC 350 Downdraft & FiTech Ultra EFI Fuel Injection System [Polished]
Speedmaster 1-135-003-02
Speedmaster 1-135-003-02 Chevy SBC 350 Downdraft & FiTech Ultra EFI Fuel Injection System [Polished]
$3,894.00
Estimated to ship direct from manufacturer in 24hrs
FREE Shipping
Lowest Price Guarantee
Speedmaster 1-135-010-02
Speedmaster 1-135-010-02 Chevy SBC 350 Downdraft & FiTech Ultra EFI Fuel Injection System [Black]
$3,894.00
Estimated to ship direct from manufacturer in 24hrs
FREE Shipping
Lowest Price Guarantee
Speedmaster 1-135-014-02
Speedmaster 1-135-014-02 Chevy SBC 350 Downdraft & FiTech Ultra EFI Fuel Injection System [Satin]
$3,894.00
Estimated to ship direct from manufacturer in 24hrs
FREE Shipping
Lowest Price Guarantee
Speedmaster 1-135-015-02
Speedmaster 1-135-015-02 Chevy GM LS1 Downdraft & FiTech Ultra EFI Fuel Injection System [Black]
$3,894.00
Estimated to ship direct from manufacturer in 24hrs
FREE Shipping
Lowest Price Guarantee
Speedmaster 1-135-016-02
Speedmaster 1-135-016-02 Chevy GM LS1 Downdraft & FiTech Ultra EFI Fuel Injection System [Polished]
$3,894.00
Estimated to ship direct from manufacturer in 24hrs
FREE Shipping
Lowest Price Guarantee
Speedmaster 1-135-017-02
Speedmaster 1-135-017-02 Chevy BBC 454 Downdraft & FiTech Ultra EFI Fuel Injection System [Satin]
$3,894.00
Estimated to ship direct from manufacturer in 24hrs
FREE Shipping
Lowest Price Guarantee
Speedmaster 1-148-003
Speedmaster Downdraft EFI Stack Intake Manifold - Small Block Chevy Fuel Injected
$2,450.00
(1)
Ships Today
FREE Shipping
Lowest Price Guarantee