Spool Toyota 4AGE Conrods

All Spool Conrods come standard with ARP 2000 Fasteners.

Please Note: There are two types (models) of OEM 4AGE conrods.

These 4AGE con rods have a 45mm big end tunnel (no bearings fitted) to suit 42mm crank journal.

These Spool Connecting Rods feature:

• High tensile 4340 forged steel
• 2 Piece forging
• Hardness of HRC36-42
• Dowelled caps for precision alignment
• X-RAY & Sonic tested
• Quenching and heat treated
• Shot peened
• 100% Magnafluxed
• Weight Matched Sets + - 1 gram
• Vacuum degassed to remove impurities.

No bearings are included.

Specifications:

Small End Pin Size: 20mm

Big End Tunnel Size: 45mm

Centre to Centre: 122mm (also available in 135mm c/c)

Weight: 466g

Due to variations in the numerous different models of 4AGE engines, clearencing of the bottom of the cylinder block is sometimes required.

We have customers making over 1000 RWHP with Spool Conrods, check out the project cars here.

Available options

• Conrod Option: Spool H-Beam ARP2000 3/8 Bolt; Spool H-Beam ARP L19 3/8 Bolt; Spool H-Beam ARP CA625 3/8 Bolt

Engine build fitment

4AGE. 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.