Availability
Piston, Forged, Flat Top, Single Valve Relief, 4.390 in. Bore, 4.300 in. Stroke, 6.800 in. Rod, 1.350 in. Compression, Ford, Each
Part Number: JEP-170877-1
Not Yet Reviewed
Estimated Ship Date: Dec 29, 2025 if ordered today
Estimated Ship Date: Dec 29, 2025 if ordered today
Piston, Forged, Dish, Single Valve Relief, 4.390 in. Bore, 4.300 in. Stroke, 6.800 in. Rod, 1.350 in. Compression, Ford, Lincoln, Mercury, Each
Part Number: JEP-170879-1
Not Yet Reviewed
Estimated Ship Date: Dec 29, 2025 if ordered today
Estimated Ship Date: Dec 29, 2025 if ordered today
Pistons, Forged, Dish, Single Valve Relief, 4.390 in. Bore, 4.300 in. Stroke, 6.800 in. Rod, 1.350 in. Compression, Ford, Set of 8
Part Number: JEP-170879-8
Not Yet Reviewed
Estimated Ship Date: Dec 29, 2025 if ordered today
Estimated Ship Date: Dec 29, 2025 if ordered today
Piston, Forged, Dish, Single Valve Relief, 4.440 in. Bore, 4.300 in. Stroke, 6.800 in. Rod, 1.350 in. Compression, Ford, Lincoln, Mercury, Each
Part Number: JEP-170880-1
Not Yet Reviewed
Estimated Ship Date: Dec 29, 2025 if ordered today
Estimated Ship Date: Dec 29, 2025 if ordered today
Pistons, Forged, Dish, Single Valve Relief, 4.440 in. Bore, 4.300 in. Stroke, 6.800 in. Rod, 1.350 in. Compression, Ford, Set of 8
Part Number: JEP-170880-8
Not Yet Reviewed
Estimated Ship Date: Dec 29, 2025 if ordered today
Estimated Ship Date: Dec 29, 2025 if ordered today
Engine Piston Ring Set, 8-Cyl Ring Set; Plasma Moly
Part Number: HSN-2M5536035
Not Yet Reviewed
Estimated Ship Date: Dec 29, 2025 if ordered today
Estimated Ship Date: Dec 29, 2025 if ordered today
Engine Piston Ring Set, Single Cyl Ring Set; Plasma Moly
Part Number: HSN-2M5536S065
Not Yet Reviewed
Estimated Ship Date: Dec 29, 2025 if ordered today
Estimated Ship Date: Dec 29, 2025 if ordered today
Engine Piston Ring Set, 8-Cyl Ring Set; Plasma Moly
Part Number: HSN-2M5536085
Not Yet Reviewed
Estimated Ship Date: Dec 29, 2025 if ordered today
Estimated Ship Date: Dec 29, 2025 if ordered today
Engine Piston Ring Set, Single Cyl Ring Set; Plasma Moly
Part Number: HSN-2M5536S040
Not Yet Reviewed
Estimated Ship Date: Dec 29, 2025 if ordered today
Estimated Ship Date: Dec 29, 2025 if ordered today
Piston and Ring Kit, Forged, Dish, 4.400 in. Bore, Ford, Big Block, Kit
Part Number: UEM-IC852KTD-040
Not Yet Reviewed
Estimated Ship Date: Jan 14, 2026 if ordered today
Estimated Ship Date: Jan 14, 2026 if ordered today
Piston and Ring Kit, Hypereutectic, Dish, 4.360 in. Bore, Ford, Big Block, Kit
Part Number: UEM-KB206KTM-STD
Not Yet Reviewed
Estimated Ship Date: Jan 14, 2026 if ordered today
Estimated Ship Date: Jan 14, 2026 if ordered today
Piston, Hypereutectic, Flat, 4.360 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Ford, Each
Part Number: UEM-SKB137-STD
Not Yet Reviewed
Estimated Ship Date: Jan 15, 2026 if ordered today
Estimated Ship Date: Jan 15, 2026 if ordered today
Pistons, Hypereutectic, Step, 4.420 in. Bore, 1/16 in., 1/16 in., 3/16 in. Ring Grooves, Ford, Set of 8
Part Number: UEM-KB402-060
Not Yet Reviewed
Estimated Ship Date: Jan 15, 2026 if ordered today
Estimated Ship Date: Jan 15, 2026 if ordered today
Pistons, Hypereutectic, Dish, 4.390 in. Bore, Ford, Lincoln, Mercury, Set of 8
Part Number: UEM-KB206-030
Not Yet Reviewed
Estimated Ship Date: Jan 15, 2026 if ordered today
Estimated Ship Date: Jan 15, 2026 if ordered today
Pistons, Hypereutectic, Dish, 4.400 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Ford, Set of 8
Part Number: UEM-KB138-040
Not Yet Reviewed
Estimated Ship Date: Jan 15, 2026 if ordered today
Estimated Ship Date: Jan 15, 2026 if ordered today
Pistons, Forged, Flat, 4.400 in. Bore, 1/16 in., 1/16 in., 3/16 in. Ring Grooves, Ford, Big Block, Set of 8
Part Number: UEM-IC859-040
Not Yet Reviewed
Estimated Ship Date: Jan 15, 2026 if ordered today
Estimated Ship Date: Jan 15, 2026 if ordered today
Piston and Ring Kit, Forged, Flat, 4.390 in. Bore, Ford, Big Block, Kit
Part Number: UEM-IC953KTD-030
Not Yet Reviewed
Estimated Ship Date: Jan 15, 2026 if ordered today
Estimated Ship Date: Jan 15, 2026 if ordered today
Pistons, Forged, Dish, 4.400 in. Bore, 1/16 in., 1/16 in., 3/16 in. Ring Grooves, Ford, Big Block, Set of 8
Part Number: UEM-IC852-040
Not Yet Reviewed
Estimated Ship Date: Jan 16, 2026 if ordered today
Estimated Ship Date: Jan 16, 2026 if ordered today
Piston and Ring Kit, Forged, Step Dish, 4.500 in. Bore, Ford, Big Block, Kit
Part Number: UEM-IC852KTD-140
Not Yet Reviewed
Estimated Ship Date: Jan 16, 2026 if ordered today
Estimated Ship Date: Jan 16, 2026 if ordered today
Pistons, Forged, Dish, 4.400 in. Bore, 1/16 in., 1/16 in., 3/16 in. Ring Grooves, Ford, Big Block, Set of 8
Part Number: UEM-IC854-040
Not Yet Reviewed
Estimated Ship Date: Jan 16, 2026 if ordered today
Estimated Ship Date: Jan 16, 2026 if ordered today
Pistons, Forged, Dish, 4.420 in. Bore, 1/16 in., 1/16 in., 3/16 in. Ring Grooves, Ford, Big Block, Set of 8
Part Number: UEM-IC854-060
Not Yet Reviewed
Estimated Ship Date: Jan 16, 2026 if ordered today
Estimated Ship Date: Jan 16, 2026 if ordered today
Piston and Ring Kit, Forged, Step Dish, 4.420 in. Bore, Ford, Big Block, Kit
Part Number: UEM-IC854KTD-060
Not Yet Reviewed
Estimated Ship Date: Jan 16, 2026 if ordered today
Estimated Ship Date: Jan 16, 2026 if ordered today
Pistons, Hypereutectic, Dish, 4.420 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Ford, Set of 8
Part Number: UEM-KB206-060
Not Yet Reviewed
Estimated Ship Date: Jan 16, 2026 if ordered today
Estimated Ship Date: Jan 16, 2026 if ordered today
Pistons, Hypereutectic, Dish, 4.360 in. Bore, Ford, Set of 8
Part Number: UEM-KB206-STD
Not Yet Reviewed
Estimated Ship Date: Jan 16, 2026 if ordered today
Estimated Ship Date: Jan 16, 2026 if ordered today
Pistons, Hypereutectic, Flat, 4.400 in. Bore, Ford, Set of 8
Part Number: UEM-KB137-040
Not Yet Reviewed
Estimated Ship Date: Jan 16, 2026 if ordered today
Estimated Ship Date: Jan 16, 2026 if ordered today
Modal Header
Call To Order
This is a custom order part. You can order this part by Contacting Us.