Load image into Gallery viewer, K8840-4060C-289-Small Block Ford 289 SXK Series -5cc Flat Top  SBF 20 Degree Inline & Twisted Wedge-Forged-Piston-Set- 4.06 inch bore
Load image into Gallery viewer, K8840-4060C-289-Small Block Ford 289 SXK Series -5cc Flat Top  SBF 20 Degree Inline & Twisted Wedge-Forged-Piston-Set- 4.06 inch bore
Load image into Gallery viewer, K8840-4060C-289-Small Block Ford 289 SXK Series -5cc Flat Top  SBF 20 Degree Inline & Twisted Wedge-Forged-Piston-Set- 4.06 inch bore
Load image into Gallery viewer, K8840-4060C-289-Small Block Ford 289 SXK Series -5cc Flat Top  SBF 20 Degree Inline & Twisted Wedge-Forged-Piston-Set- 4.06 inch bore

SKU: K8840-4060C

K8840-4060C-289-Small Block Ford 289 SX Series -5cc Flat Top SBF 20 Degree Inline & Twisted Wedge-Forged-Piston-Set- 4.06 inch bore

Regular price $714.95
Sale price $714.95 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.

289 Small Block Ford 289 SX Comp Height: 1.6 -5cc Flat Top PIN: .912 Ring Groove: 1/16-1/16-3/16" Stroke: 2.87 ROD: 5.155 Forged and Machined in Saint Charles Illinois USA! Boost and NOS Ready! (Mild to Moderate Levels) Includes matching DSS Racing Ductile Moly ring set. Comp Ratio: 58cc-9.51, 64cc-8.85, 70cc-8.29


Engine Brand: Ford

Engine Family: Small Block Ford 289

Engine Size: 289

With/Without Rings: Includes Rings

Cylinder Bore Size: 4.060 in - 103.04 mm

Ring Width: 1/16-1/16-3/16"

Compression Height: 1.600

Pin Diameter: .912

Connecting Rod Length: 5.155 in

Crankshaft Stroke: 2.870 in

Piston Series: SX Series

Alloy: Forged 4032

Cylinder Head: SBF 20 Degree Inline & Twisted Wedge

TDC Assembly Height: 8.19

Piston Top Aprox. Comp. Ratio:

-5cc Flat Top SBF 20 Degree Inline & Twisted Wedge
ChamberComp Ratio
58cc9.51 to 1
64cc8.85 to 1
70cc8.29 to 1

Download Piston Instructions

Piston Specs

Engine Brand: Ford

Engine Family: Small Block Ford 289

Engine Size: 289

With/Without Rings: Includes Rings

Cylinder Bore Size: 4.060 in - 103.04 mm

Ring Width: 1/16-1/16-3/16"

Compression Height: 1.600

Pin Diameter: .912

Connecting Rod Length: 5.155 in

Crankshaft Stroke: 2.870 in

Piston Series: SX Series

Alloy: Forged 4032

Cylinder Head: SBF 20 Degree Inline & Twisted Wedge

TDC Assembly Height: 8.19

Piston Top Aprox. Comp. Ratio:

-5cc Flat Top SBF 20 Degree Inline & Twisted Wedge
ChamberComp Ratio
58cc9.51 to 1
64cc8.85 to 1
70cc8.29 to 1

Download Piston Instructions