Load image into Gallery viewer, K1-3922-4000  351C /Boss Small Block Ford 351C K1-FX Series -18cc Dish Top Boss/Canted  Forged Piston Set. 4.000 bore
Load image into Gallery viewer, K1-3922-4000  351C /Boss Small Block Ford 351C K1-FX Series -18cc Dish Top Boss/Canted  Forged Piston Set. 4.000 bore
Load image into Gallery viewer, K1-3922-4000  351C /Boss Small Block Ford 351C K1-FX Series -18cc Dish Top Boss/Canted  Forged Piston Set. 4.000 bore

SKU: K1-3922-4000

K1-3922-4000 351C /Boss Small Block Ford 351C K1-FX Series -18cc Dish Top Boss/Canted Forged Piston Set. 4.000 bore

Regular price $904.95
Sale price $904.95 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.

351C /Boss Small Block Ford 351C K1-FX 4032 Alloy With Rings Comp Hgt: 1.660" -18cc Dish Top Boss/Canted Pin: .912 Ring Grooves: 1.2/1.2/3MM Stroke: 3.500" Rod: 5.780" Boost and NOS Ready! (Moderate to High Levels) Aprox Comp Ratio: 58cc-9.56, 61cc-9.27, 64cc-8.99

Engine Brand: Ford

Engine Family: Small Block Ford 351C

Engine Size: 351C -Boss

With/Without Rings: Includes Rings

Cylinder Bore Size: 4.000 in - 101.52 mm

Ring Width: 1.2/1.2/3MM

Compression Height: 1.660"

Pin Diameter: .912

Connecting Rod Length: 5.780"

Crankshaft Stroke: 3.500"

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:

-18cc Dish Top Boss/Canted
ChamberComp. Ratio
58cc9.56 to 1
61cc9.27 to 1
64cc8.99 to 1

Download Piston Instructions

Piston Specs

Engine Brand: Ford

Engine Family: Small Block Ford 351C

Engine Size: 351C -Boss

With/Without Rings: Includes Rings

Cylinder Bore Size: 4.000 in - 101.52 mm

Ring Width: 1.2/1.2/3MM

Compression Height: 1.660"

Pin Diameter: .912

Connecting Rod Length: 5.780"

Crankshaft Stroke: 3.500"

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:

-18cc Dish Top Boss/Canted
ChamberComp. Ratio
58cc9.56 to 1
61cc9.27 to 1
64cc8.99 to 1

Download Piston Instructions

Engine Power TV

The DSS FX, X-Groove Feature