Pistons & Rings, 4.000+.040", Step Dish 15cc,Top Ring:5/64", 2nd Ring: 5/64", Oil Ring: 3/16", Comp Ratios:10.3/55cc,9.8/60cc,9.4/64cc,8.9/69cc,Gram weight 557/143, INT-Valve Depth/DIA N Head 2.400", EX-Relief Depth/Dia N Head 1.900"
KB Series Hypereutectic 390 Alloy with 16% Silicon is a High Performance Piston for Marine, Drag, Circle Track and Towng. Fully machined head and valve reliefs. Mini Grooves to reduce scuffing if overheated. Accumulator Grove aids with compression ring seal. Triple Spiral Lock Rings. Machined in Oil Returns. CNC machined pin bores produce straight and accurately sized bores. Diamond finished skirts.
KB Series Hypereutectic 390 Alloy with 16% Silicon is a High Performance Piston for Marine, Drag, Circle Track and Towng. Fully machined head and valve reliefs. Mini Grooves to reduce scuffing if overheated. Accumulator Grove aids with compression ring seal. Triple Spiral Lock Rings. Machined in Oil Returns. CNC machined pin bores produce straight and accurately sized bores. Diamond finished skirts.
- Bore: 4.300+.040"
- Piston and Ring set KB382KTM.040
- Stroke: 4.300
- Comp HT: 1.900
- O.E Deck HT: 10.814
- Lock Ring:PRG110-3
- Step Dish 28cc w/ 2 Valve Reliefs
- Centered Pin
- Pin Size:0.9997/ Pin#1.000X300K
- Ring Set: 4300AM8
| Attributes | |
| Alloy | 390 |
| Base Number | KB382 |
| Bore (in) | 4.3 |
| Bore (mm) | 109.2 |
| Compression Ratio | 76-10.1, 120-7.6 |
| Country of Origin (Primary) | MX |
| Crown (cc) | +28.5cc |
| Crown Type | STEP DISH 2V |
| Eng. Disp Liters | 8.2 |
| Eng. Disp. In. | 500 |
| Engine Family | Cadillac V8 |
| Engine Manufacturer | Cadillac |
| Exhaust Valve Depth/diameter | .159 |
| GTIN | 00800745169754 |
| Hazardous Material Code | N |
| Intake Valve Depth/diameter | .142 |
| Life Cycle Status Code | Available to Order |
| Lock | PRG110-3 |
| Make For Engine Family | General Motors |
| Oe Deck Height | 10.814 |
| Oversize | .040 |
| Oversizes | .030 .040 .060 |
| Pin Configuration | Centered |
| Pin Diameter (in) | 1.000 |
| Pin Diameter (mm) | 25.4 |
| Pin Number | 1.000x300K |
| Pin Type | Press or Floating |
| Ring Pack | 5/64, 5/64, 3/16 |
| Rod (in) | 6.75 |
| Rod (mm) | 171.45 |
| Sold as | KIT W/RINGS |
| Stroke (in) | 4.3 |
| Stroke (mm) | 109.2 |
| Top Land | .269 |
| Year From | 1970 |
| Year Range | 1970-1976 |
| Year To | 1976 |
NEW! KB Hypereutectic Pistons KB382KTM.040 KB Hyper Piston - CAD 500 Rod 6.750 Step Dish +28.5cc 2V Kit with Rings
Product Information
- Brand: KB Hypereutectic Pistons
- Product Number: KB382KTM.040