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S&S Cycle Replacement Piston Kit, 4" Bore

J&P Cycles Part Number: 431-827

Manufacturer Part Number: 92-1401

$369.99

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Important Fitment Note

Fits S&S 100" and 107" motors with 4" bore.

Description

Description for S&S Cycle Replacement Piston Kit, 4" Bore

• S&S pistons are designed with maximum piston/engine life and performance in mind

• Features include offset wrist pin to reduce piston slap and noise

• Piston-to-piston clearance at the bottom of the stroke is concentrated in the rear piston so a longer piston skirt can be maintained on the most critical area - the rear of both pistons

• Forged pistons for 1936-99 Big Twins with stock, longer 3-5/8″ big bore cylinders, strokes from 3-31/32″ (stock 74″) to 4-3/4″ and 4-5/8″ stroke S&S Sidewinders

• Each piston includes rings, wrist pin and wrist pin keepers

Product Specs

Product Specs for S&S Cycle Replacement Piston Kit, 4" Bore

Bore or Stroke:
4"
Cylinder Bore Size:
4″ bore
Dimension Oversize:
+.010″
Manufacturer Part Number:
92-1401
Material Processing Method:
Forged
Overall Size:
Oversized + .010
Piston Bore Size:
3-5/8″
Sold in Units:
Pair
Style:
Flat Top
Warehouse Part Number:
1102457
Fitment
Fitment Note:

Fits S&S 100" and 107" motors with 4" bore.

Fitment Note:

This item is a universal/custom fit component, and does not have any direct standard/OEM model application. Some items may require modification and an advanced level of mechanical skill and/or knowledge for installation.

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