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Engines and Components› Pistons and Piston Rings

SEALED POWER

Forged Piston

$2,055.92 $129.39 Save $1,926.53

SKU: S03T L-2316F 40

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Special Order
Ships in 4–6 weeks
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$100 Minimum Order
30 Days Return
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Overview

Speed-Pro forged pistons (MPN: L2316F40) are made from extruded VMS-75 aluminum alloy, forged under 3,000 tons of pressure, and machined to their final configuration. These flat-top pistons feature two valve reliefs and DurOshield® coated skirts, offering excellent strength and durability for street and competition use in Dodge and Plymouth 340 cubic inch (5.6L) Small Block Mopar engines from 1968-1971. Piston rings are not included.
Show original supplier description

Part #: L2316F40

Piston - Speed Pro - Forged - 4.080 in Bore - 5/64 x 5/64 x 3/16 in Ring Grooves - Minus 7.50 cc - Coated Skirt - Small Block Mopar - Set of 8

Product descriptions are provided by our supplier partners and may not always be perfectly accurate. Not sure this fits? or call (760) 282-4645 and we’ll verify before you order.

Fitment

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Specifications

BrandSEALED POWER
Part NumberS03T L-2316F 40
5,000+ Trusted brands
1M+ Enthusiasts
5M+ Parts sold
(760) 282-4645 hello@motormia.co

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Returns & Fitment

Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.

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Shipping

Orders are processed in 1–3 business days. In stock parts ship promptly from our partner network. Special-order items either aren’t currently stocked or are built to your spec — expect 4–6 weeks. If a part goes on backorder while your order is in the queue, we’ll reach out and work through discounted alternatives together.

Free shipping over $200 in the continental US. Alaska, Hawaii, U.S. territories (Puerto Rico, U.S. Virgin Islands, Guam, American Samoa, and the Northern Mariana Islands), and international orders carry surcharges — most appear at checkout. Some exceptions (LTL freight, or suppliers who quote freight only after we place the order) won’t. In those cases we’ll reach out with the exact charge before your order moves forward.

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