Mahle

LS7181130F03

Mahle Pistons PowerPak Chevy LS7 Flat Top & Inverted - Part # LS7181130F03

Pins

4032 Aluminum Alloy
100% Genuine Mahle Product
Comes complete with pistons, pins and rings to simplify the piston purchasing process

Forged piston for performance applications; Fully-machined crown; Grafal anti-Friction coating on skirts*; Phosphate-coated to reduce micro-welding and pin galling**; Pin bores binished on CNC boring equipment; Deburred; High strength, light weight steel pins; Race proven round wire locks; Low drag ring pak; Light weight slipper kirt forgings; 4032 Aluminum Alloy | * MAHLE's GRAFAL® skirt coating reduces drag, scuffing, friction and cylinder bore wear; reduces piston noise.; ** Phosphate coating provides the grey appearance to the MAHLE piston. This dry lubricant coating (not to be confused with a thermal film coating) provides a lubricant film in the pin bores and ring grooves until the oiling system of the engine reaches operating pressure; particularly useful during the initial start-up or break-in of engines to protect against galling and microwelding. The piston crown is still machineable. | Part Number: LS7181130F03; Application: CHEVY LS7 FLAT TOP & INVERTED; Bore: 4.130mm ; Stroke: 4.000mm; Rod: 6.067mm; Pin Diameter: 0.927mm; Compression Height: 1.181mm; Crown Volume: -3cc; Weight (Grams): 458; Compression Ratio (66/64/72cc): 12.0:1 / 12.3:1 / 11.2:1

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