K1-3300-4125B 438W / 5.8 Stroker Small Block Ford 351W K1-FX Series -4cc Flat Top Inline Forged Piston Set. 4.125 bore
K1-3300-4125B 438W / 5.8 Stroker Small Block Ford 351W K1-FX Series -4cc Flat Top Inline Forged Piston Set. 4.125 bore
K1-3300-4125B 438W / 5.8 Stroker Small Block Ford 351W K1-FX Series -4cc Flat Top Inline Forged Piston Set. 4.125 bore
Load image into Gallery viewer, K1-3300-4125B 438W / 5.8 Stroker Small Block Ford 351W K1-FX Series -4cc Flat Top Inline Forged Piston Set. 4.125 bore
Load image into Gallery viewer, K1-3300-4125B 438W / 5.8 Stroker Small Block Ford 351W K1-FX Series -4cc Flat Top Inline Forged Piston Set. 4.125 bore
Load image into Gallery viewer, K1-3300-4125B 438W / 5.8 Stroker Small Block Ford 351W K1-FX Series -4cc Flat Top Inline Forged Piston Set. 4.125 bore

SKU: K1-3300-4125B

K1-3300-4125B 438W / 5.8 Stroker Small Block Ford 351W K1-FX Series -4cc Flat Top Inline Forged Piston Set. 4.125 bore

$834.95
$834.95
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Ships in 1 - 8 days

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.

438W / 5.8 Stroker Small Block Ford 351W K1-FX 4032 Alloy With Rings Comp Hgt: 1.230" -4cc Flat Top Inline Pin: .927 Ring Grooves: 1.2/1.2/3MM Stroke: 4.100" Rod: 6.200" Boost and NOS Ready! (Moderate to High Levels) Aprox Comp Ratio: 58cc-13.68, 61cc-13.16, 64cc-12.69

Engine Brand: Ford

Engine Family: Small Block Ford 351W

Engine Size: 438W - 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: 1.230"

Pin Diameter: .927

Connecting Rod Length: 6.200"

Crankshaft Stroke: 4.100"

Piston Series: 1-FX Series

Alloy: Forged 4032

Cylinder Head: SBF 20 Degree Inline

TDC Assembly Height: 9.480

Piston Top Aprox. Comp. Ratio:

-4cc Flat Top Inline
ChamberComp. Ratio
58cc13.68 to 1
61cc13.16 to 1
64cc12.69 to 1

Download Piston Instructions

Piston Specs

Engine Brand: Ford

Engine Family: Small Block Ford 351W

Engine Size: 438W - 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: 1.230"

Pin Diameter: .927

Connecting Rod Length: 6.200"

Crankshaft Stroke: 4.100"

Piston Series: 1-FX Series

Alloy: Forged 4032

Cylinder Head: SBF 20 Degree Inline

TDC Assembly Height: 9.480

Piston Top Aprox. Comp. Ratio:

-4cc Flat Top Inline
ChamberComp. Ratio
58cc13.68 to 1
61cc13.16 to 1
64cc12.69 to 1

Download Piston Instructions

Engine Power TV

The DSS FX, X-Groove Feature