The 410 HP liter Package includes: 1 3/4 ceramic coated long tube headers. 2.5 inch high flow exhaust Custom computer tuning Custom 4 inch air intake system. The 475 HP 6.0 Liter Package includes: 1 7/8 ceramic coated long tube headers. 2.5 inch high flow exhaust all stainless steel Custom computer tuning Custom 4 inch air intake system.

The 510 HP 5.7 Liter Package includes all the features of the 410 HP package, plus: CNC ported cylinder heads. Custom cam and push rods. 1 3/4 ceramic coated long tube headers. 2.5 inch high flow exhaust Custom computer tuning Custom 4 inch air intake system. The 550 HP 6.0 Liter Package includes all the features of the 410 HP package, plus: CNC ported cylinder heads. Custom cam and push rods. 1 7/8 ceramic coated long tube headers. 2.5 inch high flow exhaust Custom computer tuning Custom 4 inch air intake system.

The 585 HP 5.7 Liter D-1 Procharger Package includes Custom D1 Procharger 3 Core custom intercooler 1 3/4 ceramic coated long tube headers. 2.5 inch high flow exhaust Custom computer tuning 42 psi Injectors X pipe Ported Throttle Body 178 Thermostat   The 650 HP 6.0 Liter D-1 Procharger Package includes Custom D1 Procharger 3 Core custom intercooler 1 7/8 ceramic coated long tube headers. 2.5 inch high flow exhaust Custom computer tuning 42 psi Injectors X pipe Ported Throttle Body 178 Thermostat   The 650 HP 7.5 Liter 455 cid engine package CNC ported cylinder heads. Custom cam and push rods. 1 7/8 ceramic coated long tube headers. 2.5 inch high flow exhaust Custom computer tuning Custom 4 inch air intake system. Custom Sleeved LS1 or C5R block Forged Rods Forged Pistons Forged Crankshaft ARP Studs Listen and watch the 455 GTO on the Dyno click below! The 650 HP 6.0 Liter D-1 Procharger Package includes Custom D1 Procharger 3 Core custom intercooler 1 7/8 ceramic coated long tube headers. 2.5 inch high flow exhaust Custom computer tuning Injectors