1. Pistons, Rings, Rods & Parts Engines Components For Sale
  2. sku: 12195174000553631
  3. SUMMIT RACING SUM-326943407012

SUMMIT RACING SUM-326943407012 Boosted Forged Pistons Rod 4.070 3.622 5.098 .943 12CC Dish

fits model: Ls3.

Sum-326943407012 Summit Racing Ls3 Boosted Forged Pistons 4.070 Bore 3.622 Stroke 5.098 Rod .943 12cc Dish

( Brand: Summit Racing ), ( Manufacturer Part Number: SUM-326943407012 ), ( Type: Piston ), ( Piston Diameter: 4.070 )

Review SUMMIT RACING Pistonringro.com Boosted Forged Pistons 4.070 Bore 3.622 Stroke 5.098 Rod .943 12cc Dish fits LS3

Summit Racing Sum-326943407012 LS3 Boosted Forged Pistons - 4.070" Bore, 3.622" Stroke, 5.098" Rod, 943 Rod, 12cc Dish

Experience unparalleled engine performance with the Summit Racing Sum-326943407012 LS3 Boosted Forged Pistons. These high-quality pistons are meticulously designed to deliver optimum power, efficiency, and reliability for your LS3 engine.

Crafted from premium forged material, these pistons boast a 4.070" bore and a 3.622" stroke, providing an ideal combination for high-performance applications. The pistons feature a 943 rod, ensuring a robust and durable construction. The rods measure 5.098", offering a balance between strength and speed.

One of the standout features of these pistons is the 12cc dish, which provides a significant increase in compression ratio, enhancing engine power output. This dish design also helps to reduce piston-to-wall friction, improving performance and reducing the risk of engine damage.

These Summit Racing LS3 Boosted Forged Pistons are perfect for those seeking to boost the performance of their LS3 engine. With their robust construction, optimized design, and superior quality, these pistons are an excellent choice for racers, enthusiasts, and anyone looking to extract maximum power from their engine. Upgrade your LS3 engine today with these Summit Racing Sum-326943407012 LS3 Boosted Forged Pistons.

Pros and Cons of Buying Summit Racing Sum-326943407012 LS3 Boosted Forged Pistons for Your Engine

Pros:

1. Boosted Forged Pistons: These pistons are designed to handle increased boost levels, making them suitable for high-performance applications. They are stronger than standard pistons, reducing the risk of failure under high stress.

2. Improved Performance: The 4.070-inch bore size allows for increased displacement, which can result in more power and torque. The 3.622-inch and 5.098-inch piston-to-rod ratio ensures proper piston-to-rod engagement, promoting durability and performance.

3. 12cc Dish: The piston dish design provides additional compression, contributing to enhanced power output.

4. Reputable Brand: Summit Racing is a well-known and respected brand in the automotive industry, offering high-quality parts and components.

Cons:

1. Cost: Forged pistons are typically more expensive than their cast counterparts. This may be a significant investment for some.

2. Potential Clearance Issues: Depending on the specific engine and build, these pistons may require modifications to ensure proper clearance with the engine block, crankshaft, and rods.

3. Requires Specific Rods: These pistons are designed to work with the Summit Racing 943 rods. If you are using a different rod, you may need to find compatible pistons.

Conclusion: The Summit Racing Sum-326943407012 LS3 Boosted Forged Pistons offer several advantages for high-performance builds, including increased power, durability, and compatibility with boosted applications. However, their cost and potential clearance issues should be carefully considered before making a purchase.

Recommendation: If you are building a high-performance engine and are working with boost levels, these forged pistons could be an excellent addition to your build. Ensure you have the necessary clearance and compatible rods to ensure a successful installation. If cost or clearance concerns are a factor, consider discussing your specific needs with a qualified engine builder or mechanic to determine the best option for your project.

Details:

Stroke stock 3.622. Ring size 1.2 1.5 3mm not included. These pistons are great for boosted or NOS applications. Rod length Stock 5.098.

part #: sum326943407012 price

  • $799.99

specifications pistonringro:

  • for models: Ls3
  • brand: Summit Racing
  • mpn: Sum-326943407012
  • type: Piston
  • piston diameter: 4.070

seller pistonringro:

  • city: Upland, California
  • # reviews: 192
  • rating: 100.0%

payments pistonringro:

  • wallet: Paypal
  • other
  • credit card: Diners-club

shipping pistonringro:

  • type: Calculated
  • class: Standard
  • transit: 5-13 Days
  • carrier: USPS
  • cost: $0.00
  • service: USPS Ground Advantage

offer pistonringro:

  • options: Ship-to-home
  • sold: 0
  • availability: In Stock
  • started: August 22, 2025
  • best offers: True
  • quantity: 1

general pistonringro:

  • Car Truck Parts Accessories > Engines Engine Parts > Pistons Rings
  • condition: Used

returns pistonringro:

  • time: 30 Days
  • paid by: Seller
  • policy: Returns Accepted
for models: ls3, type: piston, piston diameter: 4.070,
category: auto parts > car truck parts accessories > engines engine parts > pistons rings, sku: 12195174000553631,
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1 offer $799.99 USD
  • New. Offer #1 priced at $799.99 + $0.00 shipping estimate = $799.99* total. Piston Style Dish, with two valve reliefs. Piston Material Forged aluminum.FREE SHIPPING

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