Part Number:
CP-BC1031-020
BC1031-020 CP Pistons, Bullet 23°, SB Chevy 381, 4.020 Bore
SB Chevy 381, 4.020 Bore, 3.750 Stroke, 6.000 Rod, 1.125 Compression Height, -16.2cc Dish, Advertised Weight N/A, Set of 8 Pistons and Rings Included. Power Adder.
Special Price
$914.76
Regular Price
$1,016.40
⚠ 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.
CP-Carrillo Bullet series pistons are designed specifically to fit all of 23° cylinder heads on the mark today. Pistons are proudly made in the USA from 2618 forgings featuring symmetrical valve pockets, .310 deep intake pockets, 1.5 mm steel gas nitride top ring, 1.5 mm Napier second ring, 3.0mm oil ring and include .927 x 2.500 pins with a .150 wall standard.
Compression ratio with 64cc heads: 9.4:1.
Compression ratio with 64cc heads: 9.4:1.
| CNC Part Number | CP-BC1031-020 |
|---|---|
| Price | $1,016.40 |
| Manufacturer's Part Number | BC1031-020 |
| Brands | CP |
| Part Types | Engine Piston |
| Departments | Parts |
| Vehicle Make | Chevy SB |
| Bore Size | 4.020 |
| Crankshaft Stroke | 3.750 |
| Rod Length | 6.000 |
| Piston Type | Dish |
| Compression Height | 1.125 |
| Piston Material | 2618 Forged |
| Piston Ring Size | 1.5 1.5 3.0mm |
| Wrist Pin Size | 0.927 |
| Custom Notices | ⚠ PROP 65 WARNING |
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