1-2705-4125 434 Small Block Chevy 1-FX Series -21cc Dish Top Forged Piston Set. 4.125 bore
DISCONTINUED USE 1-2475-4125 434 Small Block Chevy 1-FX Series -21cc Dish Top Forged Piston Set. 4.125 bore
DISCONTINUED USE 1-2475-4125 434 Small Block Chevy 1-FX Series -21cc Dish Top Forged Piston Set. 4.125 bore
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SKU: 1-2705-4125

DISCONTINUED USE 1-2475-4125 434 Small Block Chevy 1-FX Series -21cc Dish Top Forged Piston Set. 4.125 bore

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434 Small Block Chevy 1-FX Series 4032 Alloy Comp Hgt: 1.000" -21cc Dish Top Pin: .927 Ring Grooves: 1.2/1.2/3MM Stroke: 4.000" Rod: 6.000" Boost and NOS Ready! (Moderate to High Levels) Aprox Comp Ratio: 58cc-10.99, 64cc-10.35, 70cc-9.79

Engine Brand: Chevy

Engine Family: Small Block Chevy

Engine Size: 434

With/Without Rings: Without Rings

Cylinder Bore Size: 4.125 in - 104.7 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: 1-FX Series

Alloy: Forged 4032

Cylinder Head: SBC 23 Degree

TDC Assembly Height: 9.000

Piston Top Aprox. Comp. Ratio:

-21cc Dish Top
ChamberComp. Ratio
58cc10.99 to 1
64cc10.35 to 1
70cc9.79 to 1

Download Piston Instructions

Piston Specs

Engine Brand: Chevy

Engine Family: Small Block Chevy

Engine Size: 434

With/Without Rings: Without Rings

Cylinder Bore Size: 4.125 in - 104.7 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: 1-FX Series

Alloy: Forged 4032

Cylinder Head: SBC 23 Degree

TDC Assembly Height: 9.000

Piston Top Aprox. Comp. Ratio:

-21cc Dish Top
ChamberComp. Ratio
58cc10.99 to 1
64cc10.35 to 1
70cc9.79 to 1

Download Piston Instructions

Engine Power TV

The DSS FX, X-Groove Feature