Please let us know the Piston size, Big End and Main Bearing sizes that you want for this kit
This Rebuild Kit includes the following quality parts:
- Spool Forged H Beam Conrods
- CP Forged Pistons (Rings, Pins and Locks Included)
- Cometic MLS Head Gasket
- ACL Race Series Main Bearings - STD or 0.25mm
- ACL Race Series Big End Bearings - STD or 0.25mm
Pistons are available in:
- Compression Ratio: 12.0:1
- Bore Sizes: 81.5mm and 82mm
- Pistons come with rings, gudgeon pins and pin locks
These 4AGE con rods have a 45mm big end tunnel (no bearings fitted) to suit 42mm crank journal.
Note: Due to variations in the numerous different models of 4AGE engines, clearancing in the bottom of the cylinder block is sometimes required for H beam connecting rods.
Spool Connecting Rods Feature:
- ARP 2000 fasteners (L19 fasteners are available as an upgrade)
- 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
CP Pistons standard features include:
- 5310 gudgeon pins (9310 thicker wall thickness pins are available as an upgrade)
- Deep valve reliefs accommodate high lift camshafts
- Larger valve reliefs for +1mm valve sizes
- Custom skirt cam and barrel design
- Accumulator grooves
- High strength aluminium forgings
- High performance rings
- Fully CNC machined and balanced to +/- 1 gram
- Wrist pins included
- Double pin oilers force fed from oil ring groove
- Pick lock grooves for easy lock removal
- Pin fitting included
Note: We recommend Joe Gibbs Break in Oil for all new engines.