This water pump adapter kit is designed for LS-based cooling system conversions using -20 AN hose routing. It provides a clean, high-flow connection point for performance cooling systems that require AN-style plumbing.

-20 AN Cooling System Conversion
Designed to adapt the water pump outlet for -20 AN hose connections in custom LS cooling system layouts.

Secure O-Ring Style Sealing
O-ring style design helps provide a reliable seal at the water pump connection point.

Chrome Aluminum Construction
Aluminum construction with a chrome finish delivers durability and a clean appearance in the engine bay.

Performance Cooling Integration
Ideal for custom radiator hose routing, AN plumbing conversions, and LS swap cooling system setups.

COMPATIBLE WITH
CHEVROLET GEN III / IV LS SMALL BLOCK V8

• 4.8L / 293 in³ (LR4, LY2)
• 5.3L / 325 in³ (LM7, L59, LM4, L33, LC9, LH6, LY5, LMG)
• 5.7L / 346 in³ (LS1, LS6)
• 6.0L / 364 in³ (LQ4, LQ9, LS2, LY6, L76, L96)
• 6.2L / 376 in³ (LS3, L92, L99, LSA)

COMMON VEHICLE APPLICATIONS

• Chevrolet Silverado 1500 / 2500 / 3500
• GMC Sierra 1500 / 2500 / 3500
• Chevrolet Tahoe / Suburban
• GMC Yukon / Yukon XL
• Chevrolet Camaro / Corvette (LS equipped)
• Pontiac GTO / G8 (LS equipped)

Specifications: