Piston Set With Fitted Pins - Aluminum - 3 Ring Type - 3.875 Bore - 4 Cylinder Ford Model B - Choose Your Size

All piston sets are top quality, cam ground and made with modern materials. Wrist pins and retaining clips are included. This set includes one piston, wrist pin, and retaining clips. Order four if you are rebuilding your engine. We also offer rings, and other rebuild supplies.

On the inside of these pistons there is a thick section shaped like a tongue depressor. This thick section should be on the passenger side of your engine.



Standard Piston Specifications:

Displacement: 200.5 cubic inches

Material: Aluminum

Weight: 1 lb. 1-7/8 oz. (476.8 grams)

Variance in weight of pistons: +/- 2 grams

Weight with rings installed: 1 lb. 4-1/2 oz. (581.2 grams)

Weight with rings & pin: 1 lb. 8-3/4 oz. (701.7 grams)

Diameter: 3.8745" (Bore 3.875")

Length: 3-29/32"

Piston skirt: .001: smaller on the top than on the bottom of the skirt

Piston pin hole: .9996" to .9998" diameter

Piston pin diameter: 1.0001" to 1.0004"

Pin length: 3.536" to 3.546"

Compression height: (Top of piston to pin centerline) 1-29/32"

Variation in piston in compression height: .003" to .005"

Piston pin bushing: ID .992", OD 1.0675"

Length: 1.593"

Pin fit in rod bushing: .0003" max

Pin fit in piston: .0002" to .0005" shrink fit

Pin bore parallel to head of piston: +/- .001"

Piston fit in cylinder: .002" max