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 GM LS 383ci Engines with 3.908-inch Bore and 4.000-inch Stroke

Mahle
mhl930219208
Out of stock
Engine
$847.97
The Mahle MS Piston Set designed for GM LS 383 cubic inch engines offers high-performance components...

Mahle MS Piston Set for GM LS 383ci Engines with 3.908-inch Bore and 4.000-inch Stroke

The Mahle MS Piston Set designed for GM LS 383 cubic inch engines offers high-performance components optimized for demanding applications. These pistons feature a bore diameter of 3.908 inches and a stroke of 4.000 inches, providing a reliable foundation for power and durability. Crafted from high-quality materials, they are compatible with LS1, LS2, and LS6 style cathedral port cylinder heads, making them suitable for a broad range of LS-based builds. The pistons include a 6.125-inch connecting rod and a .927-inch wrist pin diameter, ensuring a secure fit within the engine assembly. With a compression ratio of approximately 11.0:1 and a displacement of 6.0 cc, they are engineered to deliver optimal performance and efficiency in performance-oriented engines. The set weighs around 387 grams per piston, balancing strength and lightweight characteristics for improved engine responsiveness.

Features:

  • Compatibility: Designed for GM LS 383ci engines with cathedral port heads
  • Bore Diameter: 3.908 inches for precise engine fitting
  • Stroke: 4.000 inches to maximize power output
  • Connecting Rod: 6.125 inches for durability and performance
  • Wrist Pin: .927 inches diameter for secure piston connection
  • Compression Ratio: approximately 11.0:1 for enhanced power
  • Displacement: 6.0 cc to optimize combustion efficiency
  • Material: High-quality components engineered for demanding engine applications
  • Set of 8 pistons for complete engine rebuild or upgrade
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

×