Mahle Motorsport 197887066T - Piston (set) - Ford 6.4L Powerstroke Cast Performance Pistons
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Cast from M142 alloy and finished with a TBC coating, the Mahle Motorsport piston set 197887066T is built for a 388cid application running a 4.134-inch stroke, 6.929-inch rod, and a 3.866-inch bore. Each piston carries a dish-style crown with no valve reliefs, a -39.7cc crown volume, and a 16.2:1 compression ratio, weighing 761g per piston. The set ships as 8 pistons complete with floating steel pins, snap-ring clips, and a three-piece ring package — no file fitting required.
- Part Number: 197887066T
- Package Quantity: set of 8
- Bore: 3.866 in
- Compression Height: 2.049 in
- Stroke: 4.134 in
- Rod Length: 6.929 in
- Crown Volume: -39.7cc
- Compression Ratio: 16.2:1
- Piston Mass: 761g
- Piston Material: Cast, M142
- Piston Coating: TBC
- Piston Style: Dish, no valve reliefs
- Pin Diameter: 38.5mm
- Pin Length: 75.0mm
- Pin Mass: 628g
- Pin Material: Steel
- Pin Style: Floating
- Pin Wall Thickness: 0.423
- Clip Style: Snap Ring
- Clips Included: Yes
- Pins Included: Yes
- Rings Included: Yes
- Ring Thickness (UCR/OCR/LCR): 2.5mm / 2.0mm / 2.5mm
- UCR Material: 9254 Steel
- UCR Coating: HV385
- UCR Thickness: 2.5mm Keystone
- OCR Material: Chrome plated stainless steel
- OCR Thickness: 2.5mm
- OCR Tension: Standard
- LCR Material: Cast Iron
- LCR Coating: Phosphate
- LCR Thickness: 2.0mm
- File Fit: No
Country of Origin: United States
California Residents: This product can expose you to chemicals which are known to the State of California to cause cancer or other reproductive harm. Please visit www.p65warnings.ca.gov for more information.
Please check the product description for the manufacturer’s application details, or ask a specialist — we’ll confirm whether it fits your vehicle before you buy.
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Shipping: Free to the USA.
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