52.4mm Cylinder Gasket and Piston Ring Set for CRF125F/CRF125FB, 2014–2023
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In stock · Free Shipping
COEFEPIY 90mm Flat-Top Piston Rebuild Kit AMSZLBD12272F for 420cc Hemi Predator Engines
$53.99
In stock
✓ Free Shipping
90mm flat-top piston and engine rebuild kit for 420cc Hemi Predator and most 390-style engines. Includes piston rings, pin, 50 lb valve springs, oil seals, and gaskets.
Price shown is the online purchase price. Free shipping · 30-day return policy
BrandCOEFEPIY
MPN / Part NumberAMSZLBD12272F
Part TypePiston and engine rebuild kit
Product Description
COEFEPIY engine rebuild kit with a 90mm flat-top piston and 660 compression height. The package includes one piston, one pin, two clamp springs, five piston rings, two 50 lb valve springs, two oil seals, and a gasket set. Listed for 420cc Hemi Predator engines and most 390-style engines; verify the engine model and dimensions before ordering.
Product Specifications
BrandCOEFEPIY
Manufacturer Part NumberAMSZLBD12272F
Item Weight2.3 pounds
ModelAMSZLBD12272F
Package Dimensions13.2 x 9.02 x 5.2 inches
Item model numberAMSZLBD12272F
ExteriorMachined
Explicit Manufacturer Part NumberAMSZLBD12272F
Piston diameter90mm
Compression height660
Piston styleFlat top
Valve spring rating50 lb
Piston rings5
Piston quantity1
Piston pin quantity1
Clamp spring quantity2
Valve spring quantity2
Oil seal quantity2
FinishMachined
Included componentsPiston, pin, clamp springs, piston rings, valve springs, oil seals, and gasket set
Motorcycle Compatibility
| Year | Make | Model | Power / Engine | Variant |
|---|---|---|---|---|
| — | Predator | 420cc Hemi | 420cc |
Always compare the part number, dimensions, specifications, and compatibility details with your original part before ordering.
