Chevrolet BBC 454 Dome 496, Bore 4.310, CH 1.520, Stroke 4.250, Rod 6.135 (CP Pistons S5246)
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 |
S5246 |
|
Bore (in) |
4.31 |
|
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 |
624 |
|
Gas Port |
No |
|
Capacity |
496 |
|
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 496, Bore 4.310, CH 1.520, Stroke 4.250, Rod 6.135 (CP Pistons S5246) |
|---|---|
| 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 is the recommended application for the CP Pistons S5246?
The CP Pistons S5246 is designed specifically for high-performance applications in Big Block Chevrolet engines, particularly the BBC 454. It is suitable for naturally aspirated setups and is not recommended for nitrous oxide, supercharged, or turbocharged systems.
What are the specific machining requirements for the S5246 pistons?
When using the S5246 pistons, ensure that the bore clearance is set correctly according to your engine's specifications. Additionally, check the ring gaps as they need to be tailored to your specific application and operating conditions.
What is the weight of the S5246 pistons, and how does it affect performance?
The S5246 pistons weigh 624 grams. While this weight is typical for performance pistons, it is important to balance them with the full rotating assembly to maintain engine reliability and performance at higher RPMs.
Can the S5246 pistons be used with angle milled heads?
Yes, the S5246 pistons are designed to be compatible with angle milled heads, thanks to their generous valve relief depths which accommodate high lift camshafts.
What is the significance of the dome height and compression height for the S5246 pistons?
The dome height of 0.7 inches and compression height of 1.520 inches are critical for achieving the desired compression ratio in your engine build. Proper calculation of these dimensions ensures optimal combustion efficiency and performance.
