DSS 392/ 6.4 Small Block Mopar Hemi Gen III FX Series -1.5cc Flat Top Gen III Hemi Forged Piston Set 4.090
DSS RACING
SKU #DSS-K1-6830-4090
$867.95
391 Small Block Mopar Hemi Gen III, FX 4032 Alloy, Comp Height: 1.21, -1.5cc Flat Top, PIN: .945, Full-Floating or Press Fit, Ring Groove: 1.2/1.2/3MM, Stroke: 3.72, ROD: 6.2, Includes matching DSS Racing ring set, Appox Comp Ratio: 65cc-11.6, 74cc-10.47, 85cc-9.38
SKU
DSS-K1-6830-4090
Qty
DSS 392/ 6.4 Small Block Mopar Hemi Gen III FX Series -1.5cc Flat Top Gen III Hemi Forged Piston Set 4.090
Upgrade your Mopar Hemi engine with DSS's precision-engineered forged piston set. Designed for durability and optimal performance, this set delivers the ideal balance of strength and lightweight efficiency for high-performance applications.
Piston Specifications
- Piston Top: -1.5cc Flat Top Gen III Hemi
- Approximate Compression Ratios:
- 65cc Chamber: 11.6:1
- 74cc Chamber: 10.47:1
- 85cc Chamber: 9.38:1
- Engine Compatibility: Small Block Mopar Hemi Gen III
- Engine Size Supported: 392 - 6.4L
Technical Details
- Cylinder Bore Size: 4.090 in / 103.804 mm
- Ring Groove Width: 1.2/1.2/3MM
- Compression Height: 1.210"
- Pin Diameter: 0.945"
- Connecting Rod Length: 6.200"
- Crankshaft Stroke: 3.720"
- Cylinder Head: Gen III Hemi
- TDC Assembly Height: 9.270" (Zero Deck Height)
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