Please selecture your desired piston from the drop down above.
| Standard Part No. |
extreme Duty Part No. |
Bore Size mm |
Over Size |
Rod Length |
Stroke MM |
Comp Distance |
Dome Volume (cc) |
Comp Ratio |
Piston Type |
Piston Wt/Gms |
Included Ring Set |
| 637000C-4 |
637000CE-4 |
87.5 |
STD |
5.875" |
94 |
1.291" |
`-8.2 |
9.5 |
Dish |
385 |
46875-4 |
| 637001C-4 |
637001CE-4 |
87.6 |
`+.1mm |
5.875" |
94 |
1.291" |
`-8.2 |
9.5 |
Dish |
384 |
46876-4 |
| 637005C-4 |
637005CE-4 |
88 |
`+.5mm |
5.875" |
94 |
1.291" |
`-8.2 |
9.5 |
Dish |
390 |
46880-4 |
Details:
- Crown Thickness: .200”
- Top Ring: 1.2mm, .250” down
- Second Ring: 1.2mm
- Oil Ring: 2.8mm
- Max. Valve Sizes: 33.0mm Int., 31.0mm Exh.
- Round Wire Locks:P/N 42270 - .061” wide
- Pin Included: Standard Series: Premium Chrome Moly P/N 42248 (2.250” x .150” wall, 22.5mm/.886” dia.,100 grams)
- Extreme Duty Series: 9310 Alloy P/N 42548 (2.250” x .210” wall, 22.5mm/.886” dia.,
128 grams)
- Recommended
Piston Clearance: .0030” measured 1.100” from the bottom of the oil ring.
- 2618 high strength material; Lightweight design with offset wrist pin for quiet start-ups
- .150” x 2.250” wall Premium Chrome Moly pin (Standard Series) included P/N 42248
- 9310 alloy .210” wall pin (Extreme Duty Series) included P/N 42548
- Pressure balance groove
- Will accommodate +1mm valve sizes
- Premium Steel top ring sets and round wire locks included
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