As the leader in forged racing pistons, JE Pistons has applied over 75 years of experience to its wide range of premium forged pistons for domestic applications. Engineered, forged and machined 100% in the USA, JE Pistons are designed for each specific engine and racing application to provide the ultimate combination of durability and performance. From dirt track to drag strip, JE Pistons performance is proven in victory lane time and time again. Equip your engine with the best in forged pistons.
Specifications:
| Description_ASM |
Ford Big Block 427 |
| Description_DEF |
Engine Piston Kit |
| Description_DES |
Piston Set, 2618, Dome, 4.250 Bore, 1.670 CD, 0.975 Pin, Set of 8. |
| Description_INV |
JE Pistons, Piston Kit |
| Description_EXT |
JE, Ford, Big Block Ford FE, 4.250 in. Bore, 1.670 CD, Dome, 8 Cyl. Piston Kit |
| Description_FAB |
- Forged in the USA using 2618 aluminum, yielding high tensile strength needed for high-demand performance applications
- Designed specifically for each engine and use application to provide optimized performance durability
- Proprietary Forged Side Relief (FSR) forging design minimizes friction and power loss with reduced skirt width and saves additional weight with a shorter wrist pin
- Skirt coating (depending on application) reduces friction and wear on piston skirts and cylinder walls while simultaneously reducing operating noise
- Accumulator groove (depending on application) helps reduce pressure from combustion gases, reducing ring fluttering and improving ring seal for consistent power
- Made 100% in the USA
|
| Description_TLE |
Ford 427, 4.250 Bore, Dome, Set of 8 |
| Description_SHO |
Piston Kit |
| Description_MKT |
As the leader in forged racing pistons, JE Pistons has applied over 75 years of experience to its wide range of premium forged pistons for domestic applications. Engineered, forged and machined 100% in the USA, JE Pistons are designed for each specific engine and racing application to provide the ultimate combination of durability and performance. From dirt track to drag strip, JE Pistons? performance is proven in victory lane time and time again. Equip your engine with the best in forged pistons. |
| Make - Web |
Ford |
| Piston Series |
JE Pistons |
| Out of Stock Message |
Call for Availability |
| Prop 65 Yes/No |
Yes |
| Piston Head Type |
Dome |
| Engine Type |
ICE |
| Title - Web |
JE Pistons Ford Big Block FE Piston Kit - 4.250 in. Bore - 1.670 in. CH, 2.50 CC |
| Second Compression Ring Thickness |
0.0640 |
| Piston Pin Length |
2.930 |
| Ringset Included |
No |
| Oil Ring Thickness |
0.188 |
| Prop 65 - Short Label |
Prop 65 Warning Label.JPG |
| Wrist Pin Material |
5115 Low Carbon Steel, Case Hardened |
| Compression Height |
1.670 |
| Piston Quantity |
8 |
| Piston Average Weight |
569 |
| Piston Material |
2618 |
| Piston Pin Material |
5115 |
| Forging Type |
Round |
| Cylinder Head |
427/428 FE |
| Title |
JE Pistons - Ford, Big Block FE, 4.250 in. Bore, Piston Kit |
| Product Market |
Domestic |
| Top Compression Ring Thickness |
0.0640 |
| Engine |
Big Block FE |
| Piston Pin Wall Thickness |
0.160 |
| Bore Diameter |
4.250 |
| Wrist Pin Length |
2.930 |
| Engine - Web |
Big Block FE |
| Wrist Pin Outer Diameter |
0.975 |
| Wrist Pin Wall Thickness |
0.160 |
| Add-On |
975-2930-16-51S |
| Prop 65 (C, R or CR) |
CR |
| Add-On |
990-042-CS |
| Category Hierarchy |
Auto>JE Pistons>Piston Kits>Domestic |
| Make |
FORD |
| Industry |
Automotive |
| Piston Pin Outside Diameter |
0.975 |
| Product Type |
Engine Piston Kit |
| Add-On |
J10008-4250-5 |
| Piston Volume |
2.50 |
| Ring Set Included |
No |
| Length |
6.0000 |
| Width |
12.0000 |
| Height |
26.0000 |
| Weight |
16.0000 |
