Sold out
  • Trusted by Racers

    Professional-grade parts used trackside.

  • Real Support, Real People

    Expert help during business hours.

  • Secure Shopping

    Encrypted checkout & trusted payments.

  • Fast U.S. Shipping

    Orders ship quickly from regional warehouses.

Mahle MS Piston Set for Chevy Small Block 357 CID - 4.04 Inch Bore with 3.48/3.50 Stroke, 6.0 Inch Rod, and .927 Pin

Mahle
mhl930207940
Out of stock
Engine
$856.21
The Mahle MS Piston Set (Part Number: mhl930207940) is designed specifically for Chevrolet small block engines...

Mahle MS Piston Set for Chevy Small Block 357 CID - 4.04 Inch Bore with 3.48/3.50 Stroke, 6.0 Inch Rod, and .927 Pin

The Mahle MS Piston Set (Part Number: mhl930207940) is designed specifically for Chevrolet small block engines with a 357 cubic inch displacement. Crafted to deliver optimal performance, these pistons feature a 4.04-inch bore and a stroke of approximately 3.48 to 3.50 inches. The set includes pistons with a 6.0-inch connecting rod length and a .927-inch pin diameter, providing a robust and reliable foundation for high-performance applications. The combustion chamber volume is 11.1cc, contributing to a compression ratio of approximately 12.9:1, ideal for street and racing setups. These pistons are coated with phosphate and Grafal to enhance durability and resistance to wear, ensuring longevity under demanding conditions. The total weight of each piston is approximately 488 grams, balancing strength and lightweight performance for optimized engine operation. Mahle’s precision engineering ensures tight tolerances and consistent quality, making this set suitable for rebuilds or performance upgrades of Chevrolet small block engines.

Features:

  • Bore Diameter: 4.04 inches for optimal combustion chamber efficiency
  • Stroke: approximately 3.48 to 3.50 inches to match your engine's specifications
  • Connecting Rod Length: 6.0 inches for high-performance durability
  • Piston Pin Diameter: .927 inches for secure attachment to connecting rods
  • Combustion Chamber Volume: 11.1cc for a compression ratio of 12.9:1
  • Coatings: Phosphate and Grafal for enhanced wear resistance and longevity
  • Engine Compatibility: Designed for Chevrolet small block engines with 357 CID displacement
  • Weight: Approximately 488 grams per piston to balance strength and weight
  • Material: Precision-machined for consistent quality and performance
Read More
Read Less

Shipping

Order Processing
All orders are processed and shipped within 24 hours of purchase (excluding weekends and holidays).
Orders placed after 3:00 PM EST may ship the following business day.

Shipping Methods
Customers select their preferred shipping method and speed at checkout.
Shipping times are determined by the carrier and cannot be guaranteed by us.
Tracking information will be provided once your order has shipped.

Shipping Coverage
If your package arrives damaged, please notify the delivery driver immediately and contact the shipping carrier to file a claim.
You must report any missing or damaged items within 14 days of delivery.
After this time, we cannot be held responsible for lost or damaged items.

Returns

Return Window
You have 30 days from the date of delivery to request a return.
After 30 days, we are unable to accept returns, exchanges, or refund requests.

Eligibility
Items must be returned in their original condition—unused, unwashed, and with all tags and packaging intact.
Certain products may not be eligible for return (e.g., special-order items, customized products, or perishable goods).
Items that have been altered, installed, or modified cannot be returned.

Return Process
Contact our Customer Support team to request a Return Authorization (RMA) before sending items back.
Once your return is approved, you’ll receive instructions on where to send the product.
Customers are responsible for return shipping costs unless the item was defective or incorrect.

Refunds
Refunds are issued to the original payment method once the returned item has been received and inspected.
Please allow 5–10 business days for the refund to appear on your account.
In some cases, a restocking fee may apply (if applicable, this will be disclosed during your return authorization).

Your cart

×