FAST LSXR Mid-Range High HP LS3 Assembly - 146103B

These race design intake runners fit in our LS3 102mm intake manifolds. Provide excellent high rpm horsepower for heavily modified track oriented vehicles.CatalogUser 1

These high horsepower design intake runners fit in our LS3 102mm intake manifolds. Provide excellent mid-range and high rpm horsepower for modified street/track oriented vehicles.CatalogUser 1

This OE Rail kit for LS3 and LS7 engines includes factory rails and mounting brackets designed to mount an LS3/LS7 fuel injector to our 146202B 102mm intake manifold.User 1Catalog

This fuel injector spacer kit for LS3/L99 and L76 engines is designed to allow the use of OE fuel rails with our 146102B, 146103B and 146104B 102mm intake manifolds.User 1Catalog

Cadillac: Escalade 07 - 16 6.2 L Engine, Cadillac: Escalade ESV 07 - 16 6.2 L Engine, Cadillac: Escalade EXT 07 - 13 6.2 L Engine, Chevrolet: Avalanche 07 - 09 6 L Engine, Chevrolet: Camaro 10 - 15 6...