The Spool Nissan CA18DET Stroker Kit Includes: SPOOL Forged 4340 Nitrided 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 4340 Nitrided and Balanced 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.
