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 |
Chevrolet Big Block 427 |
| Description_DEF |
Engine Piston Kit |
| Description_DES |
Piston Set, 2618, Flat Top, 4.255 Bore, 1.640 CD, 0.990 Pin, Set of 8. |
| Description_EXT |
JE, Chevrolet, Big Block Chevrolet, 4.255 in. Bore, 1.640 CD, Flat Top, 8 Cyl. Piston Kit |
| Description_INV |
JE Pistons, 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 |
Chevrolet 427, 4.255 Bore, Flat, 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. |
| Industry |
Automotive |
| Cylinder Head |
OPEN CHAMBER |
| Prop 65 (C, R or CR) |
CR |
| Make - Web |
Chevrolet |
| Piston Material |
2618 |
| Product Type |
Engine Piston Kit |
| Category Hierarchy |
Auto>JE Pistons>Piston Kits>Domestic |
| Piston Volume |
-3.00 |
| Ring Set Included |
No |
| Prop 65 - Short Label |
Prop 65 Warning Label.JPG |
| Wrist Pin Length |
2.930 |
| Second Compression Ring Thickness |
0.0640 |
| Title - Web |
JE Pistons Chevrolet Big Block Piston Kit - 4.255 in. Bore - 1.640 in. CH, -3.00 CC |
| Engine |
Big Block |
| Add-On |
990-2930-18-51S |
| Prop 65 Yes/No |
Yes |
| Add-On |
J100F8-4250-5 |
| Add-On |
990-042-CS |
| Piston Pin Length |
2.930 |
| Out of Stock Message |
Call for Availability |
| Wrist Pin Material |
5115 Low Carbon Steel, Case Hardened |
| Forging Type |
Round |
| Piston Pin Material |
5115 |
| Piston Series |
JE Pistons |
| Bore Diameter |
4.255 |
| Compression Height |
1.640 |
| Make |
CHEVROLET |
| Piston Head Type |
Flat |
| Engine Type |
ICE |
| Title |
JE Pistons - Chevrolet, Big Block, 4.255 in. Bore, Piston Kit |
| Ringset Included |
No |
| Piston Pin Outside Diameter |
0.990 |
| Oil Ring Thickness |
0.188 |
| Piston Average Weight |
620 |
| Engine - Web |
Big Block |
| Top Compression Ring Thickness |
0.0640 |
| Piston Quantity |
8 |
| Piston Pin Wall Thickness |
0.180 |
| Product Market |
Domestic |
| Wrist Pin Wall Thickness |
0.180 |
| Wrist Pin Outer Diameter |
0.990 |
| Length |
6.0000 |
| Width |
12.0000 |
| Height |
26.0000 |
| Weight |
18.0000 |
