MAHLE Motorsport Introduces New PowerPak Piston Set

MAHLE Motorsport Introduces New PowerPak Piston Set

The LS 5.3L (Gen 4) flat top, drop-in forged PowerPak piston set works for naturally aspirated & LS 5.3L engines.

MAHLE Motorsport announced its new drop-in replacement pistons designed for use with the factory Gen 4 (i.e. 2005+) rotating assembly that minimizes machine work and maximizes reliability and performance for stock bottom end 5.3L LS engines. This Flat Top PowerPak set works for either naturally aspirated engines or 5.3L LS engines with power adders and functions perfectly with LMF, LH6, LY5, LMG, LC9, LH8, LH9, and LS4 engine codes, the company says.

Developed from high-strength 2618 Aluminum alloy and manufactured with a slipper skirt forging, MAHLE Motorsport says this high-strength piston set has an OE 10:1 compression ratio and there is no balancing required with using an OEM connecting rod. Larger diameter valve pockets allow for up to 2.100” internal and 1.600” exhaust valves. The piston’s valve pocket depths easily accommodate popular power-adder camshafts. 

MAHLE adds this PowerPak cost-effectively boosts power for a 5.3L LS, as it is dual coated with Phosphate and MAHLE’s GRAFAL skirt coating, comes complete with heavy-duty 0.943” Ǿ floating wrist pins and an HV385 coated steel 1.0mm top 1.0mm Napier and 2.0mm oil ring set.

For more information, visit mahlemotorsports.com, call MAHLE Motorsport at 888-255-1942, or visit MAHLE Motorsport at the 2022 PRI Show, Booth #1601.

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