Brian Crower BC0456 - Chevrolet LS1 Stroker Kit - 4.000" Stroke/ProH2k Rods, CP Bullet 11:1/3.905"
LS1 Head 383 CID - Includes 4340 forged crank (4.000" stroke) w/58 tooth reluctor wheel, ProH2k rods (6.125" c-to-c), CP Bullet Series pistons #CP7456B (3.905" bore x -18.2cc volume [11:1 w/65cc Head], flat top) - Balanced