Load image into Gallery viewer, 1-2905-3840 4.8 - 5.3 - LS1 - LS6 - Stroker Chevy LS 1 FX Series -29cc Dish Top LS1,LS2,LS3 and LS7 Forged Piston Set 3.840 inch bore
Load image into Gallery viewer, 1-2905-3840 4.8 - 5.3 - LS1 - LS6 - Stroker Chevy LS 1 FX Series -29cc Dish Top LS1,LS2,LS3 and LS7 Forged Piston Set 3.840 inch bore
Load image into Gallery viewer, 1-2905-3840 4.8 - 5.3 - LS1 - LS6 - Stroker Chevy LS 1 FX Series -29cc Dish Top LS1,LS2,LS3 and LS7 Forged Piston Set 3.840 inch bore
Load image into Gallery viewer, 1-2905-3840 4.8 - 5.3 - LS1 - LS6 - Stroker Chevy LS 1 FX Series -29cc Dish Top LS1,LS2,LS3 and LS7 Forged Piston Set 3.840 inch bore

SKU: 1-2905-3840

1-2905-3840 4.8 - 5.3 - LS1 - LS6 - Stroker Chevy LS 1 FX Series -29cc Dish Top LS1,LS2,LS3 and LS7 Forged Piston Set 3.840 inch bore

Regular price $669.95
Sale price $669.95 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.

371 Chevy LS, FX 4032 Alloy, Comp Height: 1.115, -29cc Dish Top, PIN: .927, Full-Floating or Press Fit, Ring Groove: 1.2/1.2/3MM, Stroke: 4, ROD: 6.125, , Appox Comp Ratio: 64cc-8.55, 66cc-8.41, 72cc-7.99


Engine Brand: Chevy

Engine Family: Chevy LS

Engine Size: 4.8 - 5.3 - LS1 - LS6 - Stroker

With/Without Rings: Without Rings

Cylinder Bore Size: 3.840 in , 97.459 mm

Ring Width: 1.2/1.2/3MM

Compression Height: 1.115"

Pin Diameter: 0.927"

Connecting Rod Length: 6.125"

Crankshaft Stroke: 4.000"

Piston Series: 1 - FX 4032 Alloy

Alloy: 4032 Alloy

Cylinder Head: LS1,LS2,LS3 and LS7

TDC Assembly Height: 9.240"

Piston Top Aprox. Comp. Ratio:

-29cc Dish Top LS1,LS2,LS3 and LS7
ChamberComp Ratio
648.55 to 1
668.41 to 1
727.99 to 1

Download Piston Instructions

Piston Specs

Engine Brand: Chevy

Engine Family: Chevy LS

Engine Size: 4.8 - 5.3 - LS1 - LS6 - Stroker

With/Without Rings: Without Rings

Cylinder Bore Size: 3.840 in , 97.459 mm

Ring Width: 1.2/1.2/3MM

Compression Height: 1.115"

Pin Diameter: 0.927"

Connecting Rod Length: 6.125"

Crankshaft Stroke: 4.000"

Piston Series: 1 - FX 4032 Alloy

Alloy: 4032 Alloy

Cylinder Head: LS1,LS2,LS3 and LS7

TDC Assembly Height: 9.240"

Piston Top Aprox. Comp. Ratio:

-29cc Dish Top LS1,LS2,LS3 and LS7
ChamberComp Ratio
648.55 to 1
668.41 to 1
727.99 to 1

Download Piston Instructions

Engine Power TV

The DSS FX, X-Groove Feature