Stage 1 SPECS
- Approx Max HP: 1200-1400
- Max RPM: 8500
- Displacement: 3.8L
- Block: OE Nissan
- Crankshaft: OE Nissan
- Rods: Manley Tri Beam
- Pistons: Manley
- Wristpins: 9310 Manley
- Headgasket: HKS
- Main Studs: Ivey spec
- Headstuds: Ivey spec
- Cylinder Head: Ivey Valve job
- Valvesprings: Tomei
- Valves: Stock
- Camshafts: Spec’d to application
Stage 2 SPECS
- Approx Max HP: 1500
- Max RPM: 8500
- Displacement: 4.1L
- Block: OE Nissan
- Crankshaft: Sonny Bryant Billet
- Rods: Manley Tri Beam 300M
- Pistons: Manley Custom
- Wristpins: Ivey Promod Spec
- Headgasket: HKS
- Main Studs: Ivey Spec
- Headstuds: Ivey Spec
- Cylinder Head: Ivey Valve job/pocket work
- Valvesprings: Ferrea Single
- Valves: Stock
- Camshafts: Spec’d to application
Stage 3 SPECS
- Approx Max HP: 1800 WHP
- Max RPM: 8500
- Displacement: 4.1L
- Block: OE Nissan, Ivey Billet Girdle, reinforcements
- Crankshaft: Sonny Bryant Billet
- Rods: Manley Tri Beam 300M
- Pistons: Manley Custom
- Wristpins: Ivey Promod Spec
- Headgasket: HKS or Special sealing setup
- Main Studs: ARP Custom
- Headstuds: Ivey Spec
- Cylinder Head: Ivey Valve job/pocket work
- Valvesprings: Ferrea Single
- Valves: Ferrea SS
- Camshafts: Spec’d to application
Stage 4 SPECS
- Approx Max HP: 2400 WHP
- Max RPM: 8500
- Displacement: 4.1L
- Block: OE Nissan, Ivey Billet Girdle, reinforcements, sealing mods
- Crankshaft: Sonny Bryant Billet
- Rods: Ivey Alum
- Pistons: Ivey Custom Spec
- Wristpins: Ivey Promod Spec
- Headgasket: Ivey Custom, matched to cylinder head
- Main Studs: ARP Custom, Block Machined Appropriately
- Headstuds: Ivey spec ARP
- Cylinder Head: Ivey Valve job/port work, head is Modded specially for sealing and cannot be used on OEM setup.
- Valvesprings: Ferrea Single
- Valves: Ferrea SS
- Camshafts: Spec’d to application, but for full race use
