JE Pistons Chevrolet Small Block Piston Kit – 4.170 In. Bore – 1.125 In. CH, 8 CC
SKU : 386408
409ci combo ~ 4.170" bore x 3.750" stroke x 6.000" rod
PRICE IS PER PISTON, QUANTITY 8 REQUIRED FOR SMALL BLOCK CHEV ENGINE.
Choose carefully as clearance items are not returnable for exchange or credit.
Custom piston features
- Lateral gas ports
- Accumulator groove
- Contact reduction grooves
- Double pin oilers
- Pin Fitting
- Double Spiro Lock
- Rings NOT included
JE, Chevrolet, Small Block Chevrolet, 4.170 in. Bore, 1.125 CD, .250" Dome
JE Pistons is the leader in forged racing pistons. With 70-plus years of experience, in-house forging, and industry-leading technology, JE Pistons are designed to perform at the top levels of all forms of motorsports.
Specifications
| Bore Diameter | 4.170 |
|---|---|
| Compression Height | 1.125 |
| Piston Head Type | Dome |
| Piston Volume | 8 |
| Cylinder Head | CHEVROLET 23 DEG 20/30 |
| Piston Pin Outside Diameter | 0.927 |
| Piston Pin Length | 2.750 |
| Piston Pin Material | 5115 |
| Ringset Included | No (use similar to JG7708-4165-5) |
| Top Compression Ring Thickness | 0.043 |
| Second Compression Ring Thickness | 0.043 |
| Oil Ring Thickness | 3mm |
| Piston Material | 2618 |
| Forging Type | Round |
| Pin Wall Thickness | 0.150 |
| Product Market | Domestic |
| Product Types | Engine Piston |





