Dart 2JZ-GTE 86mm Kit - Billet Crankshaft + Diamond Pistons + Boostline Rods - Ref. 9-2JZ86-SRK

Technical Specifications

Manufacturer reference: DART 9-2JZ86-SRK
Bore × Stroke: 86.00mm × 86.00mm (square configuration, stock identical)
Displacement: 2997cc (stock 3.0L)
Compression ratio: 10.0:1
Compatible engine: Toyota 2JZ-GTE inline-6

Complete kit composition:

• 1× Dart 4340 billet crankshaft 86mm stroke
• 6× Diamond 2618 forged pistons 86mm bore + Total Seal rings
• 6× Boostline patented 3-pocket design forged connecting rods
• 6× Trend H13 .225W wall high-strength wrist pins
• Dynamically balanced kit, ready to install

Dart 86mm Billet Crankshaft

Material: Aerospace-grade 4340 forged billet steel
Stroke: 86.00mm (stock 2JZ identical)
Construction: Fully-machined billet (CNC solid mass)
Main journals: 7 bearings (2JZ architecture)
Counterweights: 12 optimized counterweights
Treatment: Full nitriding + shot-peening + stress relieving
Balancing: Dynamic precision ±2g
Power capacity: 2000+ HP (confirmed Dart Machinery)

The Dart crankshaft is machined from solid 4340 billet steel, offering superior structural strength compared to cast or standard forged crankshafts. Full nitriding treatment increases surface hardness and fatigue resistance. Compatible with ACL Race Series or King Racing XP engine bearings.

Diamond 86mm Forged Pistons

Brand: Diamond Racing Pistons (Made in USA - Michigan)
Bore: 86.00mm
Material: 2618 forged aluminum alloy (rated 2000+ HP)
Compression ratio: 10.0:1
Crown type: Dished (concave) for turbo applications
Crown coating: Hard anodized
Skirt coating: Anti-friction coating (molybdenum)
Technical features:

• Lateral gas ports for improved ring seal
• 3D milled crown (ready to install, no deburring required)
• Dual pin oilers (forced pin lubrication from oil ring)
• Oversized valve reliefs
• Reinforced ring lands Rings: Total Seal high-performance ring kit included (1.2/1.2/3.0mm)
  Wrist pin: Trend H13 .225W wall thickness included, H13 nitrided steel
  Quantity: 6 pistons

Diamond pistons use 2618 alloy recognized for extreme temperature and pressure resistance in turbo configurations. Anti-friction coating reduces cold-start scuffing risk. Compatible with 98 RON gasoline, E85 ethanol and race fuels C16/VP.

Boostline Forged Connecting Rods

Brand: Boostline Connecting Rods by Wiseco (Made in USA - Ohio)
Material: Aerospace-grade 4340 forged steel
Construction type: Patented 3-pocket design (Wiseco patent)
Patented design advantages:

• +60% bending strength vs standard H-beam
• -20% tensile stress vs standard H-beam
• Improved big-end stability under extreme loads Center-to-center length: 142.0mm (stock 2JZ-GTE)
  Pin diameter (small end): 22.00mm
  Journal diameter (big end): 52.00mm
  Rod bolts: ARP2000 standard (or optional ARP CA625+ Custom Age)
  Treatment: Shot-peening + magnafluxing
  Inspection: 26-point CMM inspection, report included
  Quantity: 6 connecting rods
  Power capacity: 1500+ HP for 6-cylinder engines (official Boostline rating)

Boostline connecting rods use patented 3-pocket design combining H-beam advantages (light weight) and I-beam (strength). Each rod is individually inspected on aerospace-grade CMM equipment and delivered with inspection report detailing critical dimensions to 0.0001 inch accuracy.

Engine Compatibility

TOYOTA 2JZ-GTE ENGINE (Twin-Turbo) - 1991-2005

The Dart 9-2JZ86-SRK kit is compatible with ALL 2JZ-GTE turbo versions, as the short block is mechanically identical between Non-VVTi and VVTi variants.

Toyota Supra JZA80 (1993-2002):

• Supra RZ (JDM) - 2JZ-GTE Non-VVTi 280 PS (1993-1996)
• Supra RZ (JDM) - 2JZ-GTE VVTi 280 PS (1997-2002)
• Supra Turbo (USDM) - 2JZ-GTE 320 HP (1993-1998)
• Supra Turbo (EURO) - 2JZ-GTE 330 HP (1993-2002)

Toyota Aristo (Lexus GS300):

• Aristo V JZS147 (1991-1997) - 2JZ-GTE Non-VVTi 280 PS (JDM)
• Aristo V300 JZS161 (1997-2005) - 2JZ-GTE VVTi 280 PS (JDM)

IMPORTANT: Kit designed for 2JZ-GTE turbo ONLY. NOT compatible with 2JZ-GE naturally aspirated (different rods, pistons and compression ratio).

Installation & Required Components

Engine bearings:

• Recommended: ACL Race Series 4B1957H-STD or King Racing XP MB5403XP-STD
• Clearance: 0.0015"-0.0025" (0.038-0.064mm)

Head studs:

• Mandatory >600 HP: ARP 2000 (203-4304) or ARP L19 (203-4307)
• Torque: 95-105 Nm with ARP Ultra-Torque lubricant

Head gasket:

• Cometic MLS 1.3mm (C4168-051) or HKS Metal 1.2mm (2301-RT033)
• Thickness according to head preparation and target compression ratio

Oil pump:

• Mandatory >800 HP: HKS 2.5L/rev, Boundary Engineering, or Titan Motorsports high-pressure
• Baffled oil pan recommended: Accusump or RB Motorsport

Engine break-in (CRITICAL):

• 0-500 km: Max RPM 5000, max boost 0.5 bar, no sustained load
• 500-1000 km: Progressive RPM and boost increase
• Break-in oil changes: 500 km + 1000 km mandatory
• Break-in oil: 10W40 mineral (avoid synthetic before 1000 km)
• After break-in: Synthetic oil 10W50 or 10W60 (Motul 300V, Redline, Brad Penn)

Performance Applications

Street Performance (500-700 HP / 1.0-1.5 bar):

• Turbo: Garrett G30-900, GTX3576R or Precision 6266
• Injectors: 1000 cc/min (Injector Dynamics ID1050X)
• ECU: Haltech Elite 2500, Link G4X or AEM Infinity
• Transmission: Stock Getrag V160 sufficient

Street/Track (700-1000 HP / 1.5-2.2 bar):

• Turbo: Garrett G35-1050, Precision 6466 or BorgWarner EFR 8374
• Injectors: 1650 cc/min (ID1650X or Bosch EV14)
• ECU: Syvecs S6 Plus, Motec M130 or AEM Infinity
• Fuel: E85 ethanol recommended
• Transmission: Reinforced Getrag V160 or CD009 Nissan 350Z

Race Extreme (1000-1500+ HP / 2.2-3.5 bar):

• Turbo: Garrett GTX4088R, Precision PT6870 or BorgWarner S400SX-E
• Injectors: 2200 cc/min (ID2200X)
• ECU: Motec M150 or Syvecs S8
• Fuel: E85, C16 or VP M1 methanol
• Transmission: Hollinger sequential 6-speed, Samsonas or PPG dogbox
• Water/methanol system: AEM V3 mandatory

2JZ-GTE power records:

• 2400+ HP dyno (Supra TX2K, Precision PT8891 turbo, methanol)
• 2000+ wheel HP regular street use
• 1500+ wheel HP long-term endurance racing reliability

Certification & Warranty

Manufacturing:

• Dart crankshaft: Made in USA (Dart Machinery - Michigan)
• Diamond pistons: Made in USA (Diamond Racing Pistons - Michigan)
• Boostline rods: Made in USA (Wiseco - Ohio)
• Trend pins: Made in USA (Trend Performance)