Chevy LSX-L92 Small Bore Cylinder Head

Description

The Chevy LSX–L92 Small Bore Cylinder Head is engineered to deliver LSX strength with L92-style rectangular intake port performance, optimized for small-bore LS engines. Designed for builders who demand durability and maximum airflow, this cylinder head is ideal for street performance, LS swaps, and racing applications where space, bore size, or class rules limit engine displacement.

Built using high-strength LSX castings, these heads offer superior airflow, excellent thermal stability, and boost-ready durability — all while maintaining compatibility with smaller bore LS blocks.

Product Details:

• Product Type: Cylinder Head (Bare or Assembled Options Available)

• Model: LSX–L92 (Small Bore)

• Material: High-strength LSX cast iron or reinforced aluminum

• Port Style: L92 rectangular intake ports

• Valve Sizes (Assembled): 2.165″ intake / 1.590″ exhaust (standard L92 spec)

• Combustion Chamber Volume: ~70cc (nominal)

• Bore Size Compatibility: Ideal for 4.000″ and smaller bore LS engines

• Condition: Brand New

• Finish: Machined / Bare Aluminum or Cast Finish (depending on option)

• Shipping: Fast Nationwide Delivery 🇺🇸

Key Features:

• ✅ LSX Durability – Race-proven LSX casting strength for boosted or high-RPM use

• ✅ L92 Port Design – Rectangular high-flow intake ports for big power potential

• ✅ Small Bore Optimization – Engineered to clear 4.000″ bore and smaller blocks

• ✅ High-Performance Ready – Supports NA and forced-induction builds

• ✅ Direct Fit – Bolts onto small-bore LS platforms with minimal modification

Compatibility:

• Fits the following LS-based engines and builds:

  • LS1, LS2, 4.8L, 5.3L, and similar small-bore LS variants (4.000″ bore or smaller)

• Applications:

  • High-performance street cars and trucks

  • LS swaps in classics, hot rods, and compact engine bays

  • Naturally aspirated stroker or boosted small displacement LS builds

• Compatible with most OEM and aftermarket intakes, headers, and valvetrain components (pushrod length check recommended)

🛡️ Warranty Information:

• 1-Year Limited Warranty against manufacturer defects in materials and workmanship

• Professional installation required for warranty coverage

• Excludes damage caused by improper installation or racing misuse