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FAST — FAST LSXRt Manifold LS3 102MM High HP Runner - Black LSXrt 102mmHighHP
Intake Manifolds

FAST

FAST LSXRt Manifold LS3 102MM High HP Runner - Black LSXrt 102mmHighHP

SKU: fst146105B

This LSXRT Intake Manifold gives LS3 engines with rectangle-port cylinder heads even more plenum volume for all-out racing. Best suited for high-RPM race engines, this manifold creates proven gains of 30+ horsepower over the FAST LS3 Street Manifold at high RPM. The raised 102mm throttle body location optimizes the larger, less restrictive High HP runner design, creating more power. It also clears truck drive...

$1,301.95
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Overview

This LSXRT Intake Manifold gives LS3 engines with rectangle-port cylinder heads even more plenum volume for all-out racing. Best suited for high-RPM race engines, this manifold creates proven gains of 30+ horsepower over the FAST LS3 Street Manifold at high RPM. The raised 102mm throttle body location optimizes the larger, less restrictive High HP runner design, creating more power. It also clears truck drive accessories.

LSXrt 102mm High HP Rectangle Port Intake Manifold for LS3/L92

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fastengine componentsintake manifoldsfst146105bout_of_stockpriced

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Fitment notes (catalog)

Chevrolet: SS 14 - 17 6.2 L Engine, Pontiac: G8 09 - 09 6.2 L Engine, Hummer: H2 08 - 09 6.2 L Engine, GMC: Yukon XL 1500 07 - 09 6 L Engine, Chevrolet: Avalanche 07 - 09 6 L Engine, Pontiac: G8 08 - 09 6 L Engine, Cadillac: Escalade EXT 07 - 13 6.2 L Engine, GMC: Sierra 1500 07 - 13 6.2 L Engine, Cadillac: Escalade ESV 07 - 16 6.2 L Engine, Chevrolet: Corvette 08 - 13 6.2 L Engine, GMC: Sierra 08 - 16 6.2 L Engine, GMC: Sierra 1500 07 - 09 6 L Engine, Chevrolet: Suburban 1500 07 - 09 6 L Engine, GMC: Yukon XL 1500 07 - 14 6.2 L Engine, Chevrolet: Tahoe 08 - 09 6.2 L Engine, Chevrolet: Silverado 1500 07 - 09 6 L Engine, Chevrolet: Camaro 10 - 15 6.2 L Engine, Cadillac: Escalade 07 - 16 6.2 L Engine, GMC: Yukon 07 - 14 6.2 L Engine, Chevrolet: Silverado 1500 09 - 13 6.2 L Engine

Summarized compatible vehicles also appear under Description → Fitment.

Detailed rows from our confirmed fitment index can be large (dozens to hundreds per part). Load them only when you need year/trim/engine-level links to Shop by Vehicle.