MAHLE 197754150 Forged 2618 Alloy Piston Set 361ci 4.050 Bore 3.500 Stroke 13.1:1 CR

The MAHLE 197754150 is a high-performance forged piston set engineered for serious racing and high-output street applications. Built from 2618 aircraft-grade aluminum alloy, these pistons deliver exceptional strength and thermal fatigue resistance under extreme cylinder pressures and temperatures — making them the preferred choice for forced induction, nitrous, and high-compression naturally aspirated builds.

Key Specifications:

• Displacement: 361 cubic inches
• Bore Diameter: 4.050 inches
• Stroke: 3.500 inches
• Rod Length: 6.000 inches
• Compression Height (Pin Height): 1.250 inches
• Wrist Pin Diameter: 0.927 inches
• Combustion Chamber Volume: 12cc dish
• Compression Ratio: 13.1:1
• Dome/Dish Style: Tub-style dish (TBDG)
• Alloy: 2618 forged aluminum

Key Features:

• Forged from premium 2618 aluminum alloy for superior strength-to-weight ratio and impact resistance compared to cast or hypereutectic pistons
• Gas-ported design capability supports tight ring seal at high RPM and cylinder pressure
• Precision CNC machining ensures tight tolerances for optimal ring seal and reduced blowby
• Compatible with 0.927-inch full-floating wrist pins for reduced reciprocating mass and improved durability
• Tub-style dish combustion chamber profile optimized for high compression ratio of 13.1:1
• Designed for use with a 6.000-inch connecting rod, providing an excellent rod-to-stroke ratio for smooth power delivery

MAHLE Motorsports pistons are manufactured to OEM-level quality standards with race-proven performance. The 197754150 piston set is ideal for builders constructing high-compression race engines requiring reliable, consistent performance across the full RPM range.