B2500 SX Regular Cab 2WD L4-2.5L VIN C (1999)
Piston: Specifications
Piston Diameter
Coded Red
3.7780-3.7785 in
Measure on skirt 40 mm (1.57 in) down from face of piston
dome.
Coded Blue
3.7785-3.7790 in
Coded Yellow
3.7790-3.7795 in
Piston-to-Bore Clearance (Select Fit)
0.001-0.002 in
Service Piston Selection Bore Size
3.7795-3.7800 inch
Red
Use bore measurement perpendicular to crank centerline.
3.7800-3.7805 inch
Blue
3.7805-3.7810 inch
Yellow
Pin Bore Diameter
0.9126-0.9128 in
Ring Groove Width
Compression (Top)
0.0600-0.0605 in
Compression (Bottom)
0.0600-0.0605 in
Oil
0.1193-0.1203 in