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. Sets include 4 pistons, along with necessary wrist pins and retaining clips. 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