fits model: 400, 700, 750. make: Chevy.

( Brand: Je Pistons ), ( Manufacturer Part Number: 329633 ), ( Part Type: Rod ), ( Modified Item: No ), ( Fitment Type: Performance/custom )
The 329633 JE 4.135 12.3 SRP Flat Top Pistons for Chevy 400 engines with a 5.700-inch rod and 3.750-inch stroke are high-performance pistons designed for serious enthusiasts seeking improved engine performance and reliability.
These pistons feature JE's renowned flat top design, which allows for greater compression ratios and improved combustion efficiency. The 4.135-inch wrist pin diameter ensures a strong connection between the piston and connecting rod, while the 12.3mm pin-to-wall clearance provides ample room for the piston to move without contacting the cylinder wall.
The pistons are made of forged 2618 alloy, which provides exceptional strength and durability, even under high cylinder pressures. The piston skirt is machined to a precise tolerance, ensuring a snug fit in the cylinder bore and minimizing the potential for cylinder distortion.
The pistons also feature a full-floating wrist pin with a double-lock groove, which provides maximum pin retention and reduces the potential for pin failure. The piston rings are made of high-quality chrome molybdenum alloy, ensuring a tight seal and reducing the potential for oil leakage.
The 329633 JE 4.135 12.3 SRP Flat Top Pistons are a great choice for Chevy 400 engines that are being upgraded with high-performance components, such as high-compression cylinder heads and high-flow intake and exhaust systems. They are designed to provide improved power output, increased torque, and enhanced engine reliability.
In conclusion, the 329633 JE 4.135 12.3 SRP Flat Top Pistons are a high-quality, performance-oriented piston solution for Chevy 400 engines with a 5.700-inch rod and 3.750-inch stroke. They are made of forged 2618 alloy, feature a flat top design, and include a full-floating wrist pin with a double-lock groove for maximum pin retention. These pistons are a great choice for enthusiasts seeking improved engine performance and reliability.
Pros of buying 329633 je 4.135 12.3 srp flat top pistons for a Chevy 400 engine:1. High-quality materials: These pistons are made of forged aluminum alloy, which is known for its strength and durability. This material can withstand high compression ratios and temperatures, making it ideal for performance applications.
2. Designed for power: Flat top pistons have a domed combustion chamber, which allows for more fuel-air mixture to be compressed in the cylinder. This results in more power and torque, which can improve the overall performance of the engine.
3. Precision manufacturing: The pistons are precision-machined to ensure a perfect fit in the engine cylinder. This ensures proper clearance between the piston and the cylinder wall, which can help reduce friction and improve engine efficiency.
Cons of buying 329633 je 4.135 12.3 srp flat top pistons for a Chevy 400 engine:1. Expensive: These pistons are more expensive than stock pistons due to their high-quality materials and precision manufacturing. This may be a concern for budget-conscious buyers.
2. May require modifications: Depending on the specific engine and application, these pistons may require modifications to the engine block, such as bore-sizing or cylinder head porting. This can add to the overall cost of the project.
Conclusion: If you are looking to improve the performance of your Chevy 400 engine and are willing to invest in high-quality parts, 329633 je 4.135 12.3 srp flat top pistons can be a good choice. However, it's important to consider the cost and potential modifications required before making a purchase.
Recommendation: If you are unsure whether these pistons are the right fit for your engine, it's a good idea to consult with a professional mechanic or engine builder. They can provide you with personalized recommendations based on your specific needs and goals.
3:1 compression ratio with 64cc head: 11.
Chevy 400 srp flat top Pistons bore: stroke listing is for 8 and wrist pins.
Dome dish requires no debarring or preparation and feature smooth flowing radii for excellent flame travel.
750 pin size: 0.
3:1 srp flat top Pistons for Chevy dome volume: -5. Please for expedited shipping.
4:1 compression ratio with 70cc head: 10. Territory is by the us postal service rod 3.
In this environment, the higher compression ratios, highest boost or heavy notorious usage necessitate tensile strength 2618 aluminum alloy.
Virgin islands and any other us.
Image shown may not match actual product. Territory is by the us postal service. 0 compression ratio with 58cc head: 12.
A wholesale program is available for businesses.