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Engines and Components› Pistons and Piston Rings

DSS Racing

DSS Racing FX-Series Piston Set 3.800in Bore

$1,209.22 $1,207.98 Save $1.24

SKU: K3-6215-3800

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Overview

The DSS Racing K3-6215-3800 is a set of forged aluminum pistons designed for Buick V6 and Grand National engines. These FX-Series pistons feature a dish top with no valve reliefs and a 3.800-inch bore, suitable for stroked applications. The kit includes piston rings and XR wrist pins, offering a balance of strength, power, and longevity for naturally aspirated, nitrous, or boosted engines.

Constructed from 2618 alloy, these pistons are engineered for increased horsepower potential. They incorporate internal gussets for added strength and CNC milling in non-critical areas to reduce weight. The patented X-Groove skirt design enhances piston stability, ring seal, and reduces wear from fuel wash down and debris, contributing to quieter operation and longer component life.
Show original supplier description
The DSS Racing K3-6215-3800 is a set of forged aluminum pistons designed for Buick V6 and Grand National engines. These FX-Series pistons feature a dish top with no valve reliefs and a 3.800-inch bore, suitable for stroked applications. The kit includes piston rings and XR wrist pins, offering a balance of strength, power, and longevity for naturally aspirated, nitrous, or boosted engines. Constructed from 2618 alloy, these pistons are engineered for increased horsepower potential. They incorporate internal gussets for added strength and CNC milling in non-critical areas to reduce weight. The patented X-Groove skirt design enhances piston stability, ring seal, and reduces wear from fuel wash down and debris, contributing to quieter operation and longer component life.

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.

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Specifications

BrandDSS Racing
Part NumberK3-6215-3800
CategoryEngines and Components

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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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