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 GM LS 347ci – 3.908 Inch Bore, 3.622 Inch Stroke, 6.098 Inch Rod Length
Sold out
Mahle MS Piston Set for GM LS 347ci – 3.908 Inch Bore, 3.622 Inch Stroke, 6.098 Inch Rod Length
Mahle MS Piston Set for GM LS 347ci – 3.908 Inch Bore, 3.622 Inch Stroke, 6.098 Inch Rod Length
Mahle MS Piston Set for GM LS 347ci – 3.908 Inch Bore, 3.622 Inch Stroke, 6.098 Inch Rod Length
Mahle MS Piston Set for GM LS 347ci – 3.908 Inch Bore, 3.622 Inch Stroke, 6.098 Inch Rod Length
Mahle MS Piston Set for GM LS 347ci – 3.908 Inch Bore, 3.622 Inch Stroke, 6.098 Inch Rod Length
Mahle MS Piston Set for GM LS 347ci – 3.908 Inch Bore, 3.622 Inch Stroke, 6.098 Inch Rod Length
Load image into Gallery viewer, Mahle MS Piston Set for GM LS 347ci – 3.908 Inch Bore, 3.622 Inch Stroke, 6.098 Inch Rod Length
Load image into Gallery viewer, Mahle MS Piston Set for GM LS 347ci – 3.908 Inch Bore, 3.622 Inch Stroke, 6.098 Inch Rod Length
Load image into Gallery viewer, Mahle MS Piston Set for GM LS 347ci – 3.908 Inch Bore, 3.622 Inch Stroke, 6.098 Inch Rod Length
Load image into Gallery viewer, Mahle MS Piston Set for GM LS 347ci – 3.908 Inch Bore, 3.622 Inch Stroke, 6.098 Inch Rod Length
Load image into Gallery viewer, Mahle MS Piston Set for GM LS 347ci – 3.908 Inch Bore, 3.622 Inch Stroke, 6.098 Inch Rod Length
Load image into Gallery viewer, Mahle MS Piston Set for GM LS 347ci – 3.908 Inch Bore, 3.622 Inch Stroke, 6.098 Inch Rod Length

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 GM LS 347ci – 3.908 Inch Bore, 3.622 Inch Stroke, 6.098 Inch Rod Length

Mahle
mhl930217608
Out of stock
Engine
$829.60
The Mahle MS Piston Set for GM LS engines is designed to deliver optimal performance and...
Mahle MS Piston Set for GM LS 347ci – 3.908 Inch Bore, 3.622 Inch Stroke, 6.098 Inch Rod Length
Description

The Mahle MS Piston Set for GM LS engines is designed to deliver optimal performance and durability for high-performance applications. Engineered specifically for 347 cubic inch displacements, these pistons feature a bore diameter of 3.908 inches and a stroke of 3.622 inches, making them suitable for rebuilds and performance upgrades. Crafted with precision, they incorporate a compression ratio of approximately 10.2:1, providing a balance of power and efficiency. The set is compatible with LS1, LS2, and LS6 style cathedral port heads, ensuring broad applicability across various GM LS engine builds. Constructed from high-quality materials, each piston weighs around 411 grams, contributing to reduced engine vibrations and smoother operation. The set includes eight pistons, each with a pin diameter of 0.945 inches, and a volume displacement of -4.1cc, optimizing combustion for performance applications. Designed to meet demanding engine requirements, these pistons are not carb-approved and require carb acknowledgment before installation. They are ideal for enthusiasts seeking reliable, high-performance components for engine rebuilding or custom builds. Whether upgrading your existing engine or building a new powertrain, these Mahle pistons provide the quality and fitment necessary for a successful project. Proper installation and compatibility checks are recommended to ensure optimal engine performance and longevity.

Features:

  • Designed for GM LS 347 cubic inch engines with a 3.908-inch bore and 3.622-inch stroke
  • Constructed from durable materials for reliable performance and longevity
  • Includes eight pistons with a weight of approximately 411 grams each
  • Compatible with LS1, LS2, and LS6 style cathedral port heads
  • Compression ratio of around 10.2:1 balances power and efficiency
  • s a pin diameter of 0.945 inches and a displacement volume of -4.1cc
  • Not carb-approved; requires carb acknowledgment prior to installation
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

×