Load image into Gallery viewer, K3-2705-4185  434 Small Block Chevy K3-FX Series -21cc Dish Top  Forged Piston Set. 4.185 bore
Load image into Gallery viewer, DISCONTINUED USE K3-2475-4185  434 Small Block Chevy K3-FX Series -21cc Dish Top  Forged Piston Set. 4.185 bore
Load image into Gallery viewer, DISCONTINUED USE K3-2475-4185  434 Small Block Chevy K3-FX Series -21cc Dish Top  Forged Piston Set. 4.185 bore

SKU: K3-2705-4185

DISCONTINUED USE K3-2475-4185 434 Small Block Chevy K3-FX Series -21cc Dish Top Forged Piston Set. 4.185 bore

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434 Small Block Chevy K3-FX 2618 Alloy With Rings Comp Hgt: 1.000" -21cc Dish Top Pin: .927 Ring Grooves: 1.2/1.2/3MM Stroke: 4.000" Rod: 6.000" Forged and Machined in Saint Charles Illinois USA! Boost and NOS Ready! (Moderate to Extreme Levels) Aprox Comp Ratio: 58cc-11.24, 64cc-10.59, 70cc-10.01

Engine Brand: Chevy

Engine Family: Small Block Chevy

Engine Size: 434

With/Without Rings: Includes Rings

Cylinder Bore Size: 4.185 in - 106.22 mm

Ring Width: 1.2/1.2/3MM

Compression Height: 1.000"

Pin Diameter: .927

Connecting Rod Length: 6.000"

Crankshaft Stroke: 4.000"

Piston Series: 3-FX Series

Alloy: Forged 2618

Cylinder Head: SBC 23 Degree

TDC Assembly Height: 9.000

Piston Top Aprox. Comp. Ratio:

-21cc Dish Top
ChamberComp. Ratio
58cc11.24 to 1
64cc10.59 to 1
70cc10.01 to 1

Download Piston Instructions

Piston Specs

Engine Brand: Chevy

Engine Family: Small Block Chevy

Engine Size: 434

With/Without Rings: Includes Rings

Cylinder Bore Size: 4.185 in - 106.22 mm

Ring Width: 1.2/1.2/3MM

Compression Height: 1.000"

Pin Diameter: .927

Connecting Rod Length: 6.000"

Crankshaft Stroke: 4.000"

Piston Series: 3-FX Series

Alloy: Forged 2618

Cylinder Head: SBC 23 Degree

TDC Assembly Height: 9.000

Piston Top Aprox. Comp. Ratio:

-21cc Dish Top
ChamberComp. Ratio
58cc11.24 to 1
64cc10.59 to 1
70cc10.01 to 1

Download Piston Instructions

Engine Power TV

The DSS FX, X-Groove Feature