Load image into Gallery viewer, K1-3300-4155B  438W / 5.8 Stroker Small Block Ford 351W K1-FX Series  -4cc Flat Top Inline  Forged Piston Set. 4.155 bore
Load image into Gallery viewer, K1-3300-4155B  438W / 5.8 Stroker Small Block Ford 351W K1-FX Series  -4cc Flat Top Inline  Forged Piston Set. 4.155 bore
Load image into Gallery viewer, K1-3300-4155B  438W / 5.8 Stroker Small Block Ford 351W K1-FX Series  -4cc Flat Top Inline  Forged Piston Set. 4.155 bore

SKU: K1-3300-4155B

K1-3300-4155B 438W / 5.8 Stroker Small Block Ford 351W K1-FX Series -4cc Flat Top Inline Forged Piston Set. 4.155 bore

Regular price $834.95
Sale price $834.95 Regular price
Sale Sold out
Unit price
/per 
Ships in 1 - 8 days

Ships in 1 - 8 days

Made in the USA

Made in the USA

Secure Payment

Secure Payment

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-13.86, 61cc-13.34, 64cc-12.86

Engine Brand: Ford

Engine Family: Small Block Ford 351W

Engine Size: 438W - 5.8 Stroker

With/Without Rings: Includes Rings

Cylinder Bore Size: 4.155 in - 105.46 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
58cc13.86 to 1
61cc13.34 to 1
64cc12.86 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: 4.155 in - 105.46 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
58cc13.86 to 1
61cc13.34 to 1
64cc12.86 to 1

Download Piston Instructions

Engine Power TV

The DSS FX, X-Groove Feature