Load image into Gallery viewer, 1-3721-4165  400C / Boss Stroker Small Block Ford 351C 1-FX Series -13cc Dish Top Boss/Canted  Forged Piston Set. 4.165 bore
Load image into Gallery viewer, 1-3721-4165  400C / Boss Stroker Small Block Ford 351C 1-FX Series -13cc Dish Top Boss/Canted  Forged Piston Set. 4.165 bore
Load image into Gallery viewer, 1-3721-4165  400C / Boss Stroker Small Block Ford 351C 1-FX Series -13cc Dish Top Boss/Canted  Forged Piston Set. 4.165 bore

SKU: 1-3721-4165

1-3721-4165 400C / Boss Stroker Small Block Ford 351C 1-FX Series -13cc Dish Top Boss/Canted Forged Piston Set. 4.165 bore

Regular price $719.95
Sale price $719.95 Regular price
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Ships in 1 - 8 days

Made in the USA

Made in the USA

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This is a pre order item. We will ship it when it comes in stock.

400C / Boss Stroker Small Block Ford 351C 1-FX Series 4032 Alloy Comp Hgt: 1.190" -13cc Dish Top Boss/Canted Pin: .927 Ring Grooves: 1.2/1.2/3MM Stroke: 3.750" Rod: 6.125" Boost and NOS Ready! (Moderate to High Levels) Aprox Comp Ratio: 58cc-11.48, 61cc-11.10, 64cc-10.75

Engine Brand: Ford

Engine Family: Small Block Ford 351C

Engine Size: 400C - Boss Stroker

With/Without Rings: Without Rings

Cylinder Bore Size: 4.165 in - 105.71 mm

Ring Width: 1.2/1.2/3MM

Compression Height: 1.190"

Pin Diameter: .927

Connecting Rod Length: 6.125"

Crankshaft Stroke: 3.750"

Piston Series: 1-FX Series

Alloy: Forged 4032

Cylinder Head: 351 Cleveland \ Boss Open & Closed Chamber

TDC Assembly Height: 9.190

Piston Top Aprox. Comp. Ratio:

-13cc Dish Top Boss/Canted
ChamberComp. Ratio
58cc11.48 to 1
61cc11.10 to 1
64cc10.75 to 1

Download Piston Instructions

Piston Specs

Engine Brand: Ford

Engine Family: Small Block Ford 351C

Engine Size: 400C - Boss Stroker

With/Without Rings: Without Rings

Cylinder Bore Size: 4.165 in - 105.71 mm

Ring Width: 1.2/1.2/3MM

Compression Height: 1.190"

Pin Diameter: .927

Connecting Rod Length: 6.125"

Crankshaft Stroke: 3.750"

Piston Series: 1-FX Series

Alloy: Forged 4032

Cylinder Head: 351 Cleveland \ Boss Open & Closed Chamber

TDC Assembly Height: 9.190

Piston Top Aprox. Comp. Ratio:

-13cc Dish Top Boss/Canted
ChamberComp. Ratio
58cc11.48 to 1
61cc11.10 to 1
64cc10.75 to 1

Download Piston Instructions

Engine Power TV

The DSS FX, X-Groove Feature