SKU: 5762409243

CHEV LS3 6.2L DR525 525HP GM PERFORMANCE CRATE ENGINE # 19434600

Sale price$8550.00 Regular price$9500.00
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Description

CHEV LS3 6.2L DR525 525HP GM PERFORMANCE CRATE ENGINE # 19434600Big Power LS 376ci, DR525 for the Drag Strip Muscle Car Pan Chevrolet Performances DR525 sealed drag racing crate helps enable exciting heads up racing at a lower cost than custom built engines. Its an approach Chevrolet Performance implemented in a number of circle track racing series, providing racers with a high performance engine at a great value. The DR525 is designed as the spec engine for NMCAs LS Stock racing class in the LSX Showdown

Big Power LS 376ci, DR525 for the Drag Strip

Muscle Car Pan

Chevrolet Performances DR525 sealed drag racing crate helps enable exciting heads-up racing at a lower cost than custom-built engines. Its an approach Chevrolet Performance implemented in a number of circle track racing series, providing racers with a high-performance engine at a great value.

The DR525 is designed as the spec engine for NMCAs LS Stock racing class in the LSX Showdown Challenge Series. The 6.2L (376 cubic inches) naturally aspirated engine is rated at 525 horsepower and features several tamper-proof bolts to ensure class compliance. And while it is the spec engine for the LS Stock class, the DR525 is legal in other classes and drag racing series.

It is offered with two part numbers: 19434600 (includes Chevrolet Performances Muscle Car Oil Pan) and 19434599 (includes a Gen 4 F-body oil pan). Chevrolet Performances custom-calibrated E67-type control system - P/N 19432870 (sold separately, must use C10 fuel only)must be used with the DR525 in the LS Stock class. It features a tamper-proof engine control unit.

INSTALLATION NOTES

  • Assembly does not include any electronics
  • Use DR525 Engine Controller Kit for engine operation, P/N 19432870
  • Not intended for marine applications
  • Front-End Accessory Drive Kit, P/N 19329418, not included with engine assembly


TECH SPECS

  • Part Number: 19434600 (w/Muscle Car Oil Pan) 19434599 (w/Gen 4 F-Car Oil Pan)
  • Engine Type: LS-Series Gen IV Small-Block V-8
  • Displacement (cu in): 376 (6.2L)
  • Bore x Stroke (in): 4.065 x 3.622 (103.25 x 92mm)
  • Block( P/N 12729604): Cast aluminum with 6-bolt, cross-bolted main caps
  • Crankshaft (P/N 12736808): Nodular iron
  • Connecting Rods (P/N 12649190): Powdered metal
  • Pistons (P/N 19207287): Hypereutectic aluminum
  • Camshaft Type (P/N 88958770): Hydraulic roller
  • Valve Lift (in): .525 intake / .525 exhaust
  • Camshaft Duration (@.050 in): 2260 intake / 2360 exhaust
  • Cylinder Heads (P/N 12675871): Aluminum L92-style port; as-cast with 68cc chambers
  • Valve Size (in): 2.165 intake / 1.590 exhaust
  • Compression Ratio: 10.7:1
  • Rocker Arms (P/N 12669995 int): Investment-cast, roller trunnion
  • Rocker Arms (P/N 12681275 exh): Investment-cast, roller trunnion
  • Rocker Arm Ratio: 1.7:1
  • Recommended Fuel: Premium pump
  • Maximum Recommended rpm: 6,600
  • Reluctor Wheel: 58x
  • Balanced: Internal
Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 5762409243

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Morgan
Pawtucket, US
★★★★★ 4
Our everyday shoe!
Size: 13 Little Kid, Color: Turquoise
Great shoes and good fit. Fits as expected. The sole has worn down a bit quicker than I had hoped but my kiddo wears them everyday. I would buy them again for sure!
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Reviewed in the United States on November 30, 2025
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lisa shelko
Fort Morgan, US
★★★★★ 5
So comfy !
Size: 2 Little Kid, Color: Lavender
Shoes are so comfy and stable . I love em !
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Reviewed in the United States on May 20, 2026
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Linda Wilson
Belleville, US
★★★★★ 5
Her go to pair!
Size: 13 Little Kid, Color: Lavendar
Good quality shoes and she loves them! Slips her foot right in! Her go to pair !
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Reviewed in the United States on May 15, 2026
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Janie L Bobst
Lowell, US
★★★★★ 5
It’s a perfect shoe without the correct width it needed to be wider
Size: 5 Big Kid, Color: Lavendar
The app suggested a 6.5 but I needed it in wide and it was not an option. I had to send them back because they were too tight!
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Reviewed in the United States on April 11, 2026
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Shirley Embree
Dallas, US
★★★★★ 5
That the shoes got here in time.
Size: 10.5 Little Kid, Color: Light Pink
The shoes a perfect.
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Reviewed in the United States on April 20, 2026

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