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Engines and Components Pistons and Piston Rings

CP Pistons

CP Pistons Harley V-Rod, 1357cc Stroker, 4.134 Bore, 3.085 Stroke, 12:1 (MTO Non-Cancel)

$650.50 $617.98 Save $32.52

SKU: C00A M5078

Special Order
Special Order
Ships in 4–6 weeks
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Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Professional / shop required

Description

The CP Pistons M5078 are high-performance pistons for Harley-Davidson V-Rod 1357cc stroker engine builds, featuring a 4.134-inch bore, 3.085-inch stroke, and 12:1 compression.

Fitment

Fitment Guaranteed

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on fit.

Log your build in the MOTORMIA app and we’ll guarantee this part fits your exact setup — or your money back, return shipping covered.

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Specifications

BrandCP Pistons
Part NumberC00A M5078

Videos

Buy with Confidence

Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.

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