
Original: $91.48
-65%$91.48
$32.02The Story
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:
| Bolt Hole Center To Bolt Hole Center | 2.970 in. |
| Color | Clear Anodized |
| Gasket Or Seal Included | Yes |
| Material | Aluminum |
| Mounting Hardware Included | Yes |
| Mounting Hole Quantity | 2 |
| Swivels | No |
| Thermostat Included | No |
| Water Neck Style | Straight |
Description
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:
| Bolt Hole Center To Bolt Hole Center | 2.970 in. |
| Color | Clear Anodized |
| Gasket Or Seal Included | Yes |
| Material | Aluminum |
| Mounting Hardware Included | Yes |
| Mounting Hole Quantity | 2 |
| Swivels | No |
| Thermostat Included | No |
| Water Neck Style | Straight |





















