Gift CardContactAbout
0 My Cart

Your cart is currently empty.

Continue shopping
Total: $0.00
View cart
Toggle menu
0
  • Home
  • Mahle MS Piston Set for Small Block Chevy 409ci with 4.165 Inch Bore and 3.75 Inch Stroke
Sold out
Mahle MS Piston Set for Small Block Chevy 409ci with 4.165 Inch Bore and 3.75 Inch Stroke
Mahle MS Piston Set for Small Block Chevy 409ci with 4.165 Inch Bore and 3.75 Inch Stroke
Load image into Gallery viewer, Mahle MS Piston Set for Small Block Chevy 409ci with 4.165 Inch Bore and 3.75 Inch Stroke
Load image into Gallery viewer, Mahle MS Piston Set for Small Block Chevy 409ci with 4.165 Inch Bore and 3.75 Inch Stroke

Have Questions?

(425) 295-1665 Ask an Experts

  • 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 Small Block Chevy 409ci with 4.165 Inch Bore and 3.75 Inch Stroke

Mahle
mhl197779165
Out of stock
Engine
$1,032.97
The Mahle MS Piston Set for Small Block Chevy engines is designed for high-performance applications requiring...
Mahle MS Piston Set for Small Block Chevy 409ci with 4.165 Inch Bore and 3.75 Inch Stroke
Description

The Mahle MS Piston Set for Small Block Chevy engines is designed for high-performance applications requiring precise fit and reliable durability. Engineered for a 409 cubic inch displacement, these pistons feature a 4.165-inch bore and a 3.75-inch stroke, making them suitable for modified and performance builds. The flat top design with gas porting ensures optimal combustion efficiency, while the asymmetrical valve pockets provide compatibility with a variety of camshaft profiles. Crafted from high-quality materials, each piston weighs approximately 418 grams, ensuring strength without excess weight for improved engine responsiveness. The piston’s compression ratio of 13.1:1 makes it ideal for high-performance and racing applications, delivering increased power output and efficiency.

Features:

  • Flat top design with gas porting for enhanced combustion efficiency
  • Asymmetrical valve pockets to accommodate various camshaft profiles
  • High-quality construction weighing approximately 418 grams for durability
  • Designed for 409ci Small Block Chevy engines with a 4.165-inch bore and 3.75-inch stroke
  • Compression ratio of 13.1:1 for high-performance power output
  • Includes .927-inch wrist pin for secure attachment
  • Prop 65 compliant for safety standards
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

×