The Spool Nissan SR20DET Stroker Kit Includes:

• SPOOL Billet 4340 91mm Stroker Crankshaft
• SPOOL H or I Beam Forged Conrods
• CP Custom Pistons with rings pins and locks

Nissan SR20DET 91mm Billet 4340 Stroker Crankshaft - Rated at 1000hp and 10000rpm

Full billet 4340 nitrided balanced crankshaft

The SR20DET engine in its factory form has a 86mm bore and 86mm stroke, giving a displacement of 1998cc.

Using the 91 mm stroker crank, std length Conrods and Custom Pistons, the displacement is increased as follows:

• 86.5mm bore and the 91 mm stroker crank = 2139cc / 110cc increase
• 87 mm bore and the 91 mm stroker crank = 2164cc / 133cc increase
• 90mm bore ( sleeved ) = 2316cc / 318cc increase