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Product Overview
Designed for 4G64 blocks with 4G63 heads
Key Features
- Available in multiple compression ratios for DSM and EVO applications
- Features pressure balance groove and offset wrist pin for smoother operation
- Includes premium steel top rings with Napier seconds and round wire locks
- Accommodates +1mm valve sizes for compatibility with standard valve setups
- Wrist pins available in .150" and .210" wall sizes with premium materials
- Recommended piston clearance of .0035" measured from oil ring bottom
Specifications
| Compression Ratio | 8.5:1 DSM / 9.0:1 EVO, 9.0:1 DSM / 9.5:1 EVO, 10.0:1 DSM / 10.5:1 EVO |
|---|---|
| Dome Volume | -12 cc, -8 cc, -2.5 cc, -17 cc |
| Piston Type | Dish, Flat Top |
| Comp Distance | 1.375", 1.130", 1.248" |
| Wrist Pin Diameter | .866" (22mm) |
| Wrist Pin Wall Size | .150", .210" |
| Wrist Pin Material | Premium Chrome Moly, 9310 Alloy |
| Recommended Clearance | .0035" measured 1.100" from oil ring bottom |
| Valve Size Compatibility | +1mm valve sizes |
Applications
- 4G64 engine block with 4G63 head
- 95-99 DSM and Evo 4-9 vehicles
What's Included
- Piston set with specified part number