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Engines and Components› Pistons and Piston Rings
KB PERFORMANCE PISTONS
SBC Flat Top Piston Set 4.030 Bore -7cc
SKU: K02K KB120.030
Advanced — 4+ hours
Overview
Constructed from 390 aluminum alloy and T6 heat-treated for increased strength, these pistons offer advantages in compression-restricted applications. Their design helps lower oil temperatures and reduce combustion heat, while tight suggested clearances contribute to quiet operation and reduced oil consumption. The set includes lockrings and pins.
Show original supplier description
Part #: KB120.030
Piston - KB Series - Hypereutectic - 4.030 in Bore - 5/64 x 5/64 x 3/16 in Ring Grooves - Minus 7.00 cc - Small Block Chevy - Set of 8
Vehicle Symptoms
- Engine knocking sound under load
- Excessive oil consumption, blue smoke from exhaust
- Loss of power and rough idle
- Failed compression test on multiple cylinders
- Piston slap noise on cold start
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Product descriptions are provided by our supplier partners and may not always be perfectly accurate. Not sure this fits? or call (760) 282-4645 and we’ll verify before you order.
Fitment
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Specifications
| Brand | KB PERFORMANCE PISTONS |
| Part Number | K02K KB120.030 |
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