Load image into Gallery viewer, K2-3218-4125B  446W / 5.8 Stroker Small Block Ford 351W K2-FX Series  +6cc Dome Top Twisted Wedge  Forged Piston Set. 4.125 bore
Load image into Gallery viewer, K2-3218-4125B  446W / 5.8 Stroker Small Block Ford 351W K2-FX Series  +6cc Dome Top Twisted Wedge  Forged Piston Set. 4.125 bore
Load image into Gallery viewer, K2-3218-4125B  446W / 5.8 Stroker Small Block Ford 351W K2-FX Series  +6cc Dome Top Twisted Wedge  Forged Piston Set. 4.125 bore

SKU: K2-3218-4125B

K2-3218-4125B 446W / 5.8 Stroker Small Block Ford 351W K2-FX Series +6cc Dome Top Twisted Wedge Forged Piston Set. 4.125 bore

Regular price $934.95
Sale price $934.95 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.

446W / 5.8 Stroker Small Block Ford 351W K2-FX 2618 Alloy With Rings Comp Hgt: 1.145" +6cc Dome Top Twisted Wedge Pin: .927 Ring Grooves: 1.2/1.2/3MM Stroke: 4.170" Rod: 6.250" Boost and NOS Ready! (Moderate to High Levels) Aprox Comp Ratio: 58cc-16.04, 61cc-15.33, 64cc-14.69

Engine Brand: Ford

Engine Family: Small Block Ford 351W

Engine Size: 446W - 5.8 Stroker

With/Without Rings: Includes Rings

Cylinder Bore Size: 4.125 in - 104.7 mm

Ring Width: 1.2/1.2/3MM

Compression Height: 1.145"

Pin Diameter: .927

Connecting Rod Length: 6.250"

Crankshaft Stroke: 4.170"

Piston Series: 2-FX Series

Alloy: Forged 2618

Cylinder Head: SBF 20 Degree Twisted Wedge

TDC Assembly Height: 9.480

Piston Top Aprox. Comp. Ratio:

+6cc Dome Top Twisted Wedge
ChamberComp. Ratio
58cc16.04 to 1
61cc15.33 to 1
64cc14.69 to 1

Download Piston Instructions

Piston Specs

Engine Brand: Ford

Engine Family: Small Block Ford 351W

Engine Size: 446W - 5.8 Stroker

With/Without Rings: Includes Rings

Cylinder Bore Size: 4.125 in - 104.7 mm

Ring Width: 1.2/1.2/3MM

Compression Height: 1.145"

Pin Diameter: .927

Connecting Rod Length: 6.250"

Crankshaft Stroke: 4.170"

Piston Series: 2-FX Series

Alloy: Forged 2618

Cylinder Head: SBF 20 Degree Twisted Wedge

TDC Assembly Height: 9.480

Piston Top Aprox. Comp. Ratio:

+6cc Dome Top Twisted Wedge
ChamberComp. Ratio
58cc16.04 to 1
61cc15.33 to 1
64cc14.69 to 1

Download Piston Instructions

Engine Power TV

The DSS FX, X-Groove Feature