4B11
Piston Features:
- 3D milling on piston crowns for ready to install finish
- Offset pins for quiet operation
- Side gas ports for better ring seal
- Moly skirt coating for friction loss and skirt wear protection
- Ratios figured for 87mm x .040 head gasket @ 8.660 deck
- Top ring down dimension: .300"-.265" 1.070cd
- Premium 8620 .180W wrist pins chamfered for roundwire locks included
- Premium 1.0mm x 1.2mm x 2.8mm ring package included
- Over-sized valve pockets - for larger than stock valve sizes
- Valve pocket depth: 0.150" intake and .070" exhaust
- 2618 material for High HP/Boost applications
Items 1-18 of 18
|
Item No
|
Bore
|
Stroke
|
Rod
|
Comp Height
|
Pin
|
Cc
|
Compression Ratio
|
|---|---|---|---|---|---|---|---|
| 82050-4 | 86.0mm | 86.0mm | 5.659 | 1.305 | 23 mm | -6.0cc | 9.0 |
| 82051-4 | 86.5mm | 86.0mm | 5.659 | 1.305 | .905 x 2.250 | -6.0cc | 9.1 |
| 82052-4 | 86.0mm | 86.0mm | 5.659 | 1.305 | .905 x 2.250 | 1.0cc | 10.0 |
| 82053-4 | 86.5mm | 86.0mm | 5.659 | 1.305 | .905 x 2.250 | 1.0cc | 10.1 |
| 82054-4 | 86.0mm | 94.0mm | 5.659 | 1.150 | .905 x 2.250 | -12.0cc | 9.0 |
| 82055-4 | 86.5mm | 94.0mm | 5.659 | 1.150 | .905 x 2.250 | -12.0cc | 9.1 |
| 82056-4 | 86.0mm | 94.0mm | 5.659 | 1.150 | .905 x 2.250 | -4.5cc | 10.0 |
| 82057-4 | 86.5mm | 94.0mm | 5.659 | 1.150 | .905 x 2.250 | -4.5cc | 10.1 |
| 82058-4 | 86.0mm | 98.0mm | 5.659 | 1.070 | .905 x 2.250 | -15.0cc | 9.0 |
| 82059-4 | 86.5mm | 98.0mm | 5.659 | 1.070 | .905 x 2.250 | -15.0cc | 9.1 |
| 82060-4 | 86.0mm | 98.0mm | 5.659 | 1.070 | .905 x 2.250 | -7.0cc | 10.0 |
| 82061-4 | 86.5mm | 98.0mm | 5.659 | 1.070 | .905 x 2.250 | -7.0cc | 10.1 |
| 82062-4 | 90.0mm | 86.0mm | 5.659 | 1.305 | .905 x 2.250 | -6.0cc | 9.7 |
| 82063-4 | 90.0mm | 86.0mm | 5.659 | 1.305 | .905 x 2.250 | 1.0cc | 10.5 |
| 82064-4 | 90.0mm | 94.0mm | 5.659 | 1.150 | .905 x 2.250 | -12.0cc | 9.8 |
| 82065-4 | 90.0mm | 94.0mm | 5.659 | 1.150 | .905 x 2.250 | -4.5cc | 10.8 |
| 82066-4 | 90.0mm | 98.0mm | 5.659 | 1.070 | .905 x 2.250 | -15.0cc | 9.7 |
| 82067-4 | 90.0mm | 98.0mm | 5.659 | 1.070 | .905 x 2.250 | -7.0cc | 10.8 |
