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HKS COMPLETE ENGINES

COMPLETE ENGINE

* Intake manifold, turbine and other engine auxiliary parts are not included

VR38DETT 4.3L KIT complete engine with strengthened crankshaft and main bearing for high torque.

  • Nitrided Steel Crankshaft. Heat treatment for improved durability.
  • Enlarged Crankpin Sidewall Radius to improve torsional strength
  • Developed at HKS Original Oversize Main Stud Bolts
  • #2 and #3 Journal made of Chrome Molybdenum for improved durability
  • Line boring to ensure journal roundness
  • Berylium-Free Copper valve seat and phosphor bronze guides to improve heat transfer
  • Crank damper for VR4.3 to decrease torsional vibration

* To be released August 2020


  • Lightweight billet crankshaft improves response and decreases torsional vibration with high efficient balance weight.

  • A2618 Aluminum Alloy Billet Piston with high temperature strength

  • Enlarged Crankpin Sidewall Radius to improve torsional strength

  • #2 and #3 Journal made of Chrome Molybdenum for improved durability

  • Original Conrod Bearings

  • Original design crank damper for VR43 (co-developed with ATI)

Specifications

  HKS 4.3L KIT Stock
Bore 95.5mm 95.5mm
Stroke 99.0mm 88.4mm
Compression (t=0.8) 8.6 9.0
Max RPM 7,400rpm 7,000rpm
Displacement 4,255cc 3,799cc

COMPLETE ENGINE VR38DETT 4.3L STEP Pro

Engine Head Modifications Seat: Berylium-Free Copper / Guide: Phosphor Bronze
Step removal and polishing around the sheet
Combustion chamber polishing finish
Camshaft HKS IN: 270°/ LIFT 11mm
HKS EX: 278°/ LIFT 11mm
Valve Spring HKS Strengthened
Valve Adjusted to seat
Head Gasket HKS Metal Gasket (t=0.8)
Head Bolt ARP Strengthened Stud Bolt
Engine Block Modifications #2 and #3 Chrome Molybdenum Cap
Main Bearing Oversized Bolt
Enlarged Ladder Cap Hole, Sitting
Line boring to ensure journal roundness
Honing
Main Bolt HKS M12 Stud Bolt (625+)
Piston HKS Billet (Molybdenum coating)
Conrod HKS H-Beam
Crankshaft HKS Billet with increased fillet radius
Main Bearing ACL
Conrod Bearing Stock + WPC (width adjusted)
Crank Pulley Original VR43 Damper
Covers High Temp Paint
Spark Plug HKS #10

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