FAST LSXRT - (CATHEDRAL-102mm) BLACK 146602BFAST LSXRT INTAKE MANIFOLD CATHEDRAL #146602B CARB E. O.# D 279 10 Designed specifically for GM 4. 8 5. 3 6. 0L cathedral port cylinder head equipped truck engines and cathedral port LS1, LS2, LS6 applications where hood clearance is not a concern, the FAST LSXRT102mm Intake Manifold follows the path chartered by the original FAST LSX Gen III Intake by featuring a modular design that allows for easy porting and disassembly and a runner design that

matching titanium retainers

Note: Speed Engineering spark plug wires

In addition

Size Part Number 15x10 92-510950DP 17x4

& AJE K-Members

Please contact us for a custom quote on these sizes

5 92-745245DP 17x7 92-770249DP 18x5 92-850246DP 18x10

Max dyno gains of +9

Speed Engineering stands behind their products in saying you will not find a better fitting

They are also recommended for rock crawlers and off road driving

5psi 90%DC NA 582

These are the correct adaptors needed when retrofitting TBSS manifolds equipped with EV6 style injectors onto 99-07 GM truck applications