99-04 Chevrolet & GMC 325 5.3L V8 VORTEC LM7/L59/LM4 (8)Dish-Top Pistons & Rings For Sale - New and Used

1999–2004 Chevrolet GMC 5.3L V8 Vortec Dish-Top Pistons + Premium Moly Rings | LM7 L59 LM4 Engines | Coated Skirts | 9.5:1 Compression🔧 Item Description

Upgrade or rebuild your Chevy/GMC 5.3L V8 Vortec engine (325ci, LM7/L59/LM4) with this set of (8) Dish-Top Hyper-Eutectic Pistons and Premium Moly Rings. Engineered for strength, heat resistance, and reliability, these pistons are the ideal choice for stock replacements, rebuilds, or LS swap projects.

Manufactured with a high-silicon aluminum alloy, these pistons feature coated skirts for reduced friction and wear, diamond-machined finishes for precise fitment, and premium moly steel-faced rings for excellent compression sealing and oil control.

With a 9.5:1 compression ratio, these pistons maintain excellent street drivability while delivering reliable performance under demanding conditions.

📦 This Listing Includes

• (8) Hyper-Eutectic Aluminum Dish-Top Pistons

  • Sizes: STD, .020, .030, .040

  • Compression Height: 1.327\"

  • Pin Diameter: 0.9447\"

  • Compression Ratio: 9.5:1

  • Coated Skirts – anti-friction, reduced wear

  • Press-Fit Pins

• Premium Moly Piston Rings

  • Sizes: STD, .020, .030, .040

  • Ring Sizes: 1.2mm / 1.5mm / 3.0mm

  • Premium steel-top moly-faced rings for superior sealing and durability

📌 Note: If you need oversize pistons/rings, please message us after checkout or leave a note in the Add Instructions to Seller box at PayPal checkout.

⚙️ Applications

Fits 1999–2004 Chevrolet & GMC 325ci (5.3L V8 Vortec) OHV Engines with VIN codes T, Z, P (LM7/L59/LM4).

Common vehicles include:

• 1999–2004 Chevrolet Silverado / GMC Sierra

• 2000–2004 Chevrolet Suburban / GMC Yukon

• 2000–2004 Chevrolet Tahoe

• 2003–2004 Chevrolet Express / GMC Savana

• 2002–2004 Chevrolet Avalanche

• 2003–2004 Chevrolet TrailBlazer

• 2003–2004 Chevrolet SSR

• 2002–2004 Cadillac Escalade

• 2003–2004 Isuzu Ascender

• 2004 Buick Rainier

💡 Why Buy These Pistons & Rings?

• Hyper-Eutectic Aluminum Alloy – High silicon content for superior heat resistance, strength, and durability

• Coated Skirts – Reduce friction, cold-start wear, and piston noise

• Dish-Top Design – Provides factory-style 9.5:1 compression ratio for balance of power and drivability

• Premium Moly Rings – Excellent sealing, oil control, and long service life under high heat and load

• OEM or Better Quality – Precision-machined with strict grading standards for size and weight consistency

• Enginetech Manufacturing – Trusted supplier with advanced machining and ISO-certified quality standards

✅ Why Choose Redline USA?

• American-Owned Company – Every order supports U.S. jobs and families

• 25+ Years of Experience – Trusted supplier for engine parts and rebuild kits

• Veteran Support – A portion of every sale goes to U.S. veteran charities

• Strict Quality Control – Pre-shipment inspections and packaging checks

• Fast & Free Shipping – Most orders ship same day

🔄 Return / Exchange Policy

• 30-Day Hassle-Free Returns – No restocking fees

• Free Return Shipping on Exchanges – We cover replacement freight

• Simple Process – Message us on and we’ll send a prepaid label

⭐ Our Commitment

• Performance & Reliability – Only the highest quality parts, never cheap substitutes

• Customer-First Service – We’ll do whatever it takes to earn your satisfaction

• Guaranteed Fit & Function – OEM replacement or better

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