FAST LSXRT - (RECTANGULAR-102mm) BLACK 146105BFAST LSXRT (RECTANGULAR 102mm) BLACK 146105B 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

10 default background skins pre-loaded with unlimited options for importing custom layouts

Available with Bolt-On or Weld-On C-Notch

Note: Some swap vehicles might require modifications or replacements of factory A/C and/or Brake components

Stage 1 Torque V2 Camshaft Specs: 217/23X

The bracket is 1/8″ thick laser cut steel with the rod tunnel and MC mount being 1/4″ wall steel tubing

Each TSP Rod is torqued and re-torqued during the machining process

Part Number 25-1025-1/25-1026-1 Part Type Longtube Headers Brand Speed Engineering Vehicle 1964-1988 A

0L iron blocks as well as 5

Anti-Ballooning Flanged Hub: Yes

high flow intake systems and increased rear axle ratios

Note: This system is designed to work with Speed Engineering headers and x-pipe only

Race Version with "NO" Air & EGR Fittings