Chevrolet BBC 454 Dome 489, Bore 4.280, CH 1.520, Stroke 4.250, Rod 6.135 (CP Pistons S5245)
For shipping cost -add all the products you would like, then navigate to the shopping cart to calculate shipping quote.
|
Make |
Chevrolet |
|
Engine Type |
BBC 454 Dome |
|
Part Number |
S5245 |
|
Bore (in) |
4.28 |
|
Stroke (in) |
4.25 |
|
Rod Length (in) |
6.135 |
|
Comp Height |
1.52 |
|
Dome / Dish Height |
0.7 |
|
Dom/Dish CC |
47.5 |
|
Pin |
.990 x 2.930 |
|
Ring Thickness |
1/16 x 1/16 x 3/16 in. |
|
VR Depth Int/Exh |
-.310 / .125 |
|
Piston Weight |
616 |
|
Gas Port |
No |
|
Capacity |
489 |
|
Shlef (RPO) or Made to Order (MTO) |
MTO |
NOT Suitable for nitrous oxide systems (NOS); or for supercharged or turbo; Wrist pins and pin-fitting included at no cost; Accumulator groove included; Double pin oilers, force fed from oil ring; Balanced to +/- 1 gram; Radius valve reliefs; Generous valve relief depths allow for high lift; Pick lock grooves for easy lock removal; Suitable for angle milled heads; Fully CNC machined. Notes: B – Supplied with Double Spiral Locks, D – Rail Support included, O – Made for 10.200 Block Height, P – 9.2 Deck Height, Q – Also fits 4.000 Stroke and 6.385 Rod, R – Can be used with 4.500 Stroke and 10.180 block with 6.535 Rod, S – Supplied with .150 Wall (151g) or optional .180 Wall (175g).
| Product Name | Chevrolet BBC 454 Dome 489, Bore 4.280, CH 1.520, Stroke 4.250, Rod 6.135 (CP Pistons S5245) |
|---|---|
| Brands | CP Carrillo |
| Engine | Big Block Chev |
| Make | GM |
Delivery & Freight
We are an Australian-based company that ships items nationally and internationally, usually within 48 hours of receiving your order. High-value items shipped internationally are sent via DHL Express, while lower-value items are sent via Australia Post Express unless otherwise instructed.
You can calculate shipping rates inside the shopping cart. After adding all the products you would like, navigate to the cart and click the ESTIMATE SHIPPING & TAX link. .
If you only see the Click and Collect shipping option, it means that your address was not validated correctly.
If you have issues calculating freight, please get in touch. We are happy to help.
Disclaimer:
Product images are for description purposes only. Actual product may vary.
Shipping calculations available at checkout.
If you are unsure, get in touch by emailing [email protected], messaging us on Facebook, or phoning us at +61 7 5645 1333 (8am to 2pm AET).
What information do I need to match these pistons to my engine?
You need the engine code, bore size, stroke, rod length, pin diameter and target compression ratio. These determine the correct piston compression height and crown design.
How should ring gaps be set for these pistons?
Ring gaps must be set by your engine builder based on fuel type, boost level and the intended rpm range. Forced-induction engines usually require larger gaps.
Are forged pistons suitable for street engines?
Yes. Forged pistons handle detonation and high cylinder pressure better than cast units. Your builder should set the piston-to-bore clearance to suit your application.
What are the recommended machining requirements for the S5245 pistons?
The S5245 pistons require precise bore clearance and ring gap settings, which depend on the specific application and engine builder's preferences. Ensure that the cylinder bores are honed to match the piston dimensions for optimal performance.
Can the S5245 pistons be used with nitrous or forced induction?
No, the S5245 pistons are not suitable for nitrous oxide systems, supercharging, or turbocharging. They are designed for naturally aspirated applications only.
What is the weight of the S5245 pistons and how does it affect performance?
The S5245 pistons weigh 616 grams. While this weight is suitable for many performance applications, it is essential to consider the overall rotating assembly balance and engine RPM to ensure reliability and performance.
What type of locks are supplied with the S5245 pistons?
The S5245 pistons come supplied with double spiral locks, which provide secure retention of the wrist pins during operation.
What is the dome height and how does it affect compression ratio?
The dome height of the S5245 pistons is 0.7 inches with a dome volume of 47.5 cc. This configuration can influence the compression ratio significantly, depending on the cylinder head and gasket used, so proper calculations should be made to achieve the desired compression for your application.
