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More airflow equals more power. FAST EZ-EFI throttle bodies incorporate tapered and radiused throttle bores and precisely machined progressive linkage for smooth operation and unparalleled airflow. These high-flow 4150 throttle bodies include sensors and injectors.
Not Yet Reviewed
$927.95
On Sale
Choose EFI main power wiring harnesses from Holley to meet your needs. Several choices are offered—TBI, LS applications, multi-point, and un-terminated harnesses—to feed and carry your engine's electrical supply. Get wired for electronic fuel injection with Holley EFI systems main wiring harnesses.
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$849.95
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$949.95
$763.95
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$853.95
On Sale
If you're piecing together your EFI system or have suffered damage to your current throttle body, Holley Sniper makes it easy to get the parts you need—without buying an entire EFI kit to get the service part you need. These Terminator X Stealth 4500 throttle bodies contain eight injectors and support up to 1,500 hp naturally aspirated or 1,250 hp with forced induction. Get back on the street or track with Holley Sniper fuel injection system performance parts! Additional details: * 2.125 in. throttle plates, flow 1,440 cfm for large cubic inch engines * Gen 3 Ultra Dominator style 4-bolt air cleaner flange offering a variety of air cleaner options * 4500 service throttle bodies are available in either black anodized or polished cast aluminum
Not Yet Reviewed
$1,149.95
$1,033.95
On Sale
Holley Terminator X Stealth 4150 EFI throttle bodies provide part of the puzzle for piecing together your EFI system or if your current throttle body suffered damage. They eliminate the need to buy an entire EFI kit to get the service part you need to get back on the street or the track, supporting up to 650 hp on naturally aspirated engines or 1,250 hp with forced induction setups. Holley offers Terminator X Stealth 4150 EFI throttle bodies in your choice of three quality finishes to match your build.
Not Yet Reviewed
$1,099.95
$824.95
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$988.95
These FAST EZ-EFI dual quad self-tuning fuel injection systems are offered as upgrades to existing FAST EZ-EFI kits. They add several parts, including a second unique throttle body for use with dual carburetor type manifolds, fuel injectors, and a basic linkage kit that's necessary to connect the two throttle bodies together. Now, your system will be fully capable of supporting up to 1,000 hp with no problem.
Not Yet Reviewed
$918.95
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