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Air and Fuel› Intake Manifolds and Components

TA Performance

SP1 Quadrajet Aluminum Intake Manifold

Name: SP1 Quadrajet Aluminum Intake Manifold
Brand: TA Performance
SKU: TA_1201

$477.99 $437.83 Save $40.16

SKU: TA_1201

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Overview

The TA Performance SP1 Quadrajet Intake Manifold is a single-plane intake manifold designed for 400+ HP combinations. It is suitable for street/strip or full race applications with power bands peaking between 5000 and 6500 RPM. This manifold makes power from idle to 6200 RPM out of the box and can run to 7000 RPM with port matching. It features long, narrow, and straight runners to maintain velocity and direct air/fuel to the valves, improving throttle response and reducing low-end power loss typical of single-plane designs. The SP1 models fit all factory iron heads and TA's Aluminum Stage 1 and Stage 2 Street Eliminator Heads. Note that SP-1 Series intake manifolds are 1-3/4" taller than stock.

Show original supplier description

The TA Performance SP1 Quadrajet Intake Manifold is engineered for Buick 400, 430, and 455 V8 engines, offering improved throttle response and increased horsepower and torque. This single-plane aluminum manifold is designed for street/strip and full race applications, with a power band ideally suited between 5000 and 6500 RPM. It delivers strong performance from idle to 6200 RPM out-of-the-box, and can achieve up to 7000 RPM with proper port matching. The SP1 features long, narrow runners with a straight final 2-3 inches to direct the air/fuel charge directly at the valves, enhancing airflow velocity and reducing fuel dropout. This design minimizes the low-end power loss often associated with single-plane manifolds and ensures the intake is not a flow restriction for the cylinder heads. The "turtle shell" convex plenum floor further aids in directing the charge towards the runners, increasing velocity. This intake manifold has an open plenum design and is compatible with all factory iron heads, as well as TA's Aluminum Stage 1 and Stage 2 Street Eliminator Heads. It accepts Quadrajet carburetors and is compatible with OEM brackets. Note that the SP-1 Series intake manifolds are 1-3/4" taller than stock.

Product descriptions are provided by our supplier partners and may not always be perfectly accurate. Not sure this fits? or call (760) 282-4645 and we’ll verify before you order.

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Specifications

Brand	TA Performance
Part Number	TA_1201
Category	Air and Fuel

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