GM LS Aluminum Straight Water Neck - Chrome

This Straight water neck is designed to provide a secure coolant outlet connection between the engine and upper radiator hose. Its aluminum construction with a chrome finish supports reliable coolant routing while giving the engine bay a clean finished look.

Straight Outlet Configuration
The outlet angle helps route the upper radiator hose cleanly in performance, restoration, and custom cooling system layouts.

Secure Hose Connection
Designed to create a tight connection at the thermostat housing area to support reliable coolant flow and help reduce leak points.

Aluminum Construction
Built from aluminum to handle coolant system heat, pressure, and repeated service conditions.

Application-Specific Cooling Fitment
Designed for the listed engine family and sealing style, with fitment verified by the product dimensions and specifications.

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	Chrome
Gasket Or Seal Included	No
Material	Aluminum
Mounting Hardware Included	Yes
Mounting Hole Quantity	2
Swivels	No
Thermostat Included	No
Water Neck Style	Straight