Part Number:
UEM-KB438C-STD
Keith Black Pistons KB438C-STD Fits AMC I6 Hypereutectic 21cc Bore 3.875
Fits AMC I6, Bore 3.895, Stroke 3.895, Rod Length 6.123, Hypereutectic Top 21cc, Compression Height 1.353, Set of 6 Pistons
$297.73
DROP SHIP
This product is a non-stocking item for CNC-Motorsports and will be shipped directly from the manufacturer / supplier.
⚠ PROP 65 WARNING
⚠ WARNING: This product can expose you to chemicals, which are known to the State of California to cause cancer. Please contact us to obtain a list of harmful chemicals.
For more information, go to www.P65Warnings.ca.gov.
Keith Black Hypereutectic pistons are a great choice for high performance marine, drag race, circle track, street or towing application builds. The low expansion 390 alloy with 16 percent silicon allows for a tighter piston to wall running clearance.
4.6L Jeep Stroker from 4.0L block, rods, and 258 crank
Compression Ratio 60cc 8.8:1
Advertised piston weight 391 grams out of 170 grams piston/pin
OE Deck Height: 9.450
Note: Standard bore size is 3.875
| CNC Part Number | UEM-KB438C-STD |
|---|---|
| Price | $297.73 |
| Sold As | Set |
| Manufacturer's Part Number | KB438C-STD |
| Brands | Keith Black |
| Part Types | Engine Piston |
| Departments | Parts |
| Vehicle Make | AMC |
| Bore Size | 3.895 |
| Crankshaft Stroke | 3.895 |
| Rod Length | 6.123 |
| Piston Type | Dish |
| Compression Height | 1.353 |
| Piston Material | Hypereutectic |
| Piston Ring Size | 5/64 1/16 3/16 |
| Wrist Pin Size | 0.931 |
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