Gen IV LS 6.2L LSA/LS9 Mahle POWERPAK Dish Piston Set - 4.080" Bore (197813880)
Built for a matched 6.2L LS performance combination, this Mahle POWERPAK set pairs 2618 forged aluminum pistons with file-fit rings, wrist pins and retaining clips. Phosphate treatment helps limit pin galling and ring micro-welding, while the GRAFAL skirt coating reduces friction.
Fits:
LS 6.2L DISH (LSA / LS9) performance engine build.
Compatible with LS cylinder heads; verify piston-to-valve clearance for the selected camshaft and heads.
Requires 4.080" finished bore, 3.622" stroke, 6.125" rods and 0.927" wrist pins. Confirm the complete rotating assembly before ordering.
Includes:
- Eight Mahle forged pistons
- 1.0mm / 1.0mm / 2.0mm file-fit performance piston ring set
- Wrist pins
- Wire pin retaining clips
Specifications:
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Part Number: 197813880
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Engine Application: LS 6.2L DISH (LSA / LS9)
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Catalog Build Displacement: 379 ci
-
Bore: 4.080"
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Stroke: 3.622"
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Rod Length: 6.125"
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Compression Height: 1.299"
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Pin Diameter: 0.927"
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Piston Style: Dish
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Crown Volume (MAHLE Catalog): -4.5 cc
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Piston Weight: 485 g
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Material: 2618 Forged Aluminum
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Compression Ratio - 64cc Chamber: 10.6:1
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Compression Ratio - 69cc Chamber: 10.1:1
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Compression Ratio - 72cc Chamber: 9.8:1
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Compression Ratio Calculation: 0.005" below deck with a 0.051" x 4.100" head gasket
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Clearance Measurement Point: 0.500" from bottom of piston skirt
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Piston-to-Wall Clearance: 0.0046" - 0.0054" over the coating
-
Ring Pack: 1.0mm / 1.0mm / 2.0mm; file fit
-
Coatings: Phosphate treatment and GRAFAL anti-friction skirt coating
-
Sold As: Set of 8 pistons with rings, pins and clips
-
Special Features: HD 0.188" wall H13 wrist pins and hard-anodized top ring grooves; reduced compression height and no valve pockets for high-boost applications.
Summit reference image shown; actual item may vary.
Part Number
197813880
Engine Application
LS 6.2L DISH (LSA / LS9)
Catalog Build Displacement
379 ci
Bore
4.080"
Stroke
3.622"
Rod Length
6.125"
Compression Height
1.299"
Pin Diameter
0.927"
Piston Style
Dish
Crown Volume (MAHLE Catalog)
-4.5 cc
Piston Weight
485 g
Material
2618 Forged Aluminum
Compression Ratio - 64cc Chamber
10.6:1
Compression Ratio - 69cc Chamber
10.1:1
Compression Ratio - 72cc Chamber
9.8:1
Compression Ratio Calculation
0.005" below deck with a 0.051" x 4.100" head gasket
Clearance Measurement Point
0.500" from bottom of piston skirt
Piston-to-Wall Clearance
0.0046" - 0.0054" over the coating
Ring Pack
1.0mm / 1.0mm / 2.0mm; file fit
Coatings
Phosphate treatment and GRAFAL anti-friction skirt coating
Sold As
Set of 8 pistons with rings, pins and clips
Special Features
HD 0.188" wall H13 wrist pins and hard-anodized top ring grooves; reduced compression height and no valve pockets for high-boost applications.
Chevrolet LS
LS 6.2L DISH (LSA / LS9) performance engine build.
Compatible with LS cylinder heads; verify piston-to-valve clearance for the selected camshaft and heads.
Requires 4.080" finished bore, 3.622" stroke, 6.125" rods and 0.927" wrist pins. Confirm the complete rotating assembly before ordering.
Order Processing Time:
Orders are typically processed within 24-48 hours after the order has been placed.
Custom or special order items may take longer to process, typically 3-5 business days depending on the product and customization required.
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