

Representative manufacturer images. Check the specification of this exact part number.
JE
JE Pistons Kit BBF M-6049-SCJ -39cc B:4.390
Part number: JE-257668
€995.71
Sales price · excluding VAT and shipping
Not currently in supplier stockCatalogue updated: 6 Nov 2026, 07:43
Supplier stock; quantities are not reserved.Supplier stock is separate from stock physically held at Nick's Garage. Delivery to Cyprus and the final quotation are confirmed before ordering.
Technical specifications
- Block Height
- 10.300 in
- Bore - Actual
- 4.390 in
- Bore - Oversize
- .030 in
- Build Type
- Build on Demand
- Compression Height
- 1.350 in
- Compression Ratio - Actual
- 9.8 @ 72cc
- Cylinder Head
- M-6049-SCJ
- Displacement
- 520 ci
- Dome Volume
- -39.0 cc
- GTIN
- 00193564033970
- Piston Head Type
- Inverted Dome
- Piston Pin Diameter
- 0.990 in
- Ring Set Recommended
- J100F8-4390-5
- Rod Length
- 6.800 in
- Stroke
- 4.300 in
- Weight - Nominal
- 582 g