Spool CA18DET Stroker Kit with EN40B Billet Crankshaft

The Spool Nissan CA18DET Stroker Kit Includes:

• SPOOL 4n40B Billet 87.6mm Stroker Crankshaft
• SPOOL H Beam Forged Conrods
• CP Custom 83.5mm / 9.0:1 Pistons (Includes rings, pins and locks)

Please note: Custom CP Pistons are also available for the CA18DET Stroker Kit in any bore size and any comp ratio. Please email for availability and pricing.

Full billet EN40B Crankshaft

The CA18DET engine in its factory form has a 83mm bore and 83.6mm stroke, giving a displacement of 1809cc.

Using the Spool 87.6mm Stroker Crank, standard length Conrods and Custom Pistons, the displacement is increased as follows:

• 83.5mm bore and the 87.6mm stroker crank = 1919cc / 110cc increase
• 84 mm bore and the 87.6 mm stroker crank = 1942cc / 133cc increase

Note: Clearancing of the cylinder block is sometimes required.

Available options

• Piston Diameter: +0.5mm; +1mm; STD (Special Order)
• 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
• Pin Upgrade: No Pin Upgrade; 9310 0.240" SD Pins

Engine build fitment

CA18. Match the selected dimensions, engine generation and rotating assembly specification before machining or assembly.

Installation and BBT workshop support

Confirm block and head configuration, finished bore size, bearing clearances, compression ratio and crank trigger compatibility. Block clearancing and rotating assembly balancing may be required.

Built by Boost & Tune is an authorised Spool Imports dealer and can assist with component selection, engine assembly and tuning requirements for your build.