In order to maintain HKS 4.3L Kit for the VR38DETT engine to keep it in its best condition and to be durable for a long use, the main bearing cap is reinforced to prolong the bearing's life.
• HKS original enlarged thread size main stud bolts are included.
• The block’s thread size is enlarged.
• Line boring was performed to secure the high roundness of a journal even after the axial
force was increased.
• The best main bearing and conrod bearing were chosen from various tests.
• Reinforced Head Stud reinforces HKS Head Gasket.
• HKS high duration camshafts ensure the smooth acceleration to high engine speed.
- Full billet crankshaft. Balanced and liteweight
- Molybdenum coated billet pistons reduce friction and prevents galling at initial break-in
- High load capacity main bearings to imporve engine durability under high torque
- HKS high duration camshafts
- Bore: 95.5mm Stroke: 99.0mm
- Comp-Ratio: (t=0.8) 8.6
- Allowable engine speed: 7,400rpm
- Displacement: 4,255cc
Other Parts Included:
- HKS Valve Springs
- HKS Head Gasket
- Head Bolts ARP Strengthened stud bolt
- Main Bolts HKS M12 Stud Bolt（625+）
- HKS Pistons (Molybdenum coat）
- HKS Conecting Rods: Ｈ-beam
- HKS Crank Shaft
- Main Bearing ACL
- Con-Rod Bearing NISMO+WPC
- Crank Pulley ATI
- HKS Spark Plugs SUPER FIRE RACING M50HL