Part Number:
SRP-203433
SRP Pistons, BBC 489, Bore 4.280, Stroke 4.250, Rod Length 6.385, Dome +41cc, 581 Grams, Set of 8
$855.99
⚠ 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.
SRP Professional pistons are the most advanced lightweight FSR forging that offers superior strength. SRP pistons are up to 20% lighter than traditional equivalent pistons. High-silicon 2618 aluminum alloy for reduced piston-to-wall clearance and quiet operation. Accumulator grooves for improved ring seal. Designed for normally aspirated or moderate forced induction nitrous engine applications. SRP professional pistons come standard with high-performance skirt coating and low drag performance piston rings.
Specifically designed for Edelbrock 118cc Cylinder Heads!
Edelbrock #60559, 61559, 60549 (Performer RPM Rectangular Port) and GM Signature series.
Pin fitting and double spiro locks (#990-042-CS) included
990-2930-15-51S wrist pins (150 grams) included.
CNC Machined ring grooves accept 1/16, 1/16, 3/16mm rings (Rings Sold Separately)
Optional bearing steel pins available
Compression Ratio: 112cc 13.4:1
118cc 12.5:1
124cc 11.8:1
Note: *Oil rail supports included. Made to order.*
Compression Ratio:
Note: *Oil rail supports included. Made to order.*
| CNC Part Number | SRP-203433 |
|---|---|
| Price | $855.99 |
| Sold As | Set |
| Manufacturer's Part Number | 203433 |
| Brands | SRP |
| Part Types | Engine Piston |
| Departments | Parts |
| Vehicle Make | Chevy BB |
| Bore Size | 4.280 |
| Crankshaft Stroke | 4.250 |
| Rod Length | 6.385 |
| Piston Type | Dome |
| Compression Height | 1.270 |
| Piston Material | 2618 Forged |
| Piston Ring Size | 1/16 1/16 3/16 |
| Wrist Pin Size | 0.990 |
| Custom Notices | ⚠ PROP 65 WARNING |









