Spool Isuzu 4JJ1 H Beam Diesel Conrods
Spool Isuzu 4JJ1 H Beam Diesel Conrods
Spool Isuzu 4JJ1 H Beam Diesel Conrods
Upgrade your Isuzu 4JJ1 engine with our premium Spool H Beam Diesel Conrods, designed for high performance and reliability. These conrods are crafted from high tensile 4340 forged steel, ensuring exceptional strength and durability. Each set comes standard with ARP 2000 fasteners, providing a secure and robust connection.
Key Features:
- Direct fit for Isuzu 4JJ1 with 34mm Pin
- High tensile 4340 forged steel construction
- 2 Piece forging for enhanced strength
- Hardness rated at HRC36-42
- Dowelled caps for precision alignment
- X-RAY & Sonic tested for quality assurance
- Quenching and heat treated for durability
- Shot peened to improve fatigue strength
- 100% Magnafluxed to ensure no defects
- Weight matched sets with a tolerance of ±1 gram
- Vacuum degassed to remove impurities
Please note: No bearings are included!
Enhance your engine's performance with these meticulously engineered conrods, perfect for enthusiasts seeking reliability and power.
Available options
- Conrod Option: Spool H-Beam ARP2000 7/16 Bolt; Spool H-Beam ARP L19 7/16 Bolt
Engine build fitment
4JJ1. Match the selected dimensions, engine generation and rotating assembly specification before machining or assembly.
Installation and BBT workshop support
Confirm centre-to-centre length, journal dimensions, pin diameter and bolt clearance. Use the fastener manufacturer’s instructions for lubricant, tightening and stretch measurements.
Built by Boost & Tune is an authorised Spool Imports dealer and can assist with component selection, engine assembly and tuning requirements for your build.