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The Mahle MS Piston Set designed for the GM LT1 416 cubic inch engine delivers high-performance performance and durability. Crafted with precision, these pistons feature a bore diameter of 4.070 inches and a stroke of 4 inches, ensuring optimal fit and function within the engine block. The set includes pistons with a 6.125 inch connecting rod and a pin diameter of .927 inches, providing balanced movement and reducing wear over time. With a compression ratio of 12.7:1, these pistons are engineered for enhanced power output and efficiency, making them suitable for high-performance applications. Constructed with advanced coating technologies including phosphate, Grafal, and a hard anodized top ring groove, these pistons offer superior durability and resistance to heat and wear, ensuring long-lasting performance even under demanding conditions. Each piston weighs approximately 441 grams, contributing to engine stability and smooth operation. The set is designed for automotive use, particularly for enthusiasts and professionals seeking reliable components for engine rebuilding or performance upgrades. It is important to note that these pistons are not CARB-approved and require acknowledgment of carb regulations prior to installation. The Mahle MS Piston Set is a reliable choice for those requiring precision-engineered components that meet the demanding specifications of high-performance GM engines. Whether rebuilding an existing engine or preparing for a performance upgrade, these pistons offer a combination of strength, efficiency, and longevity, ensuring your engine runs smoothly and efficiently for miles to come.
Features:
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.
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).
