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Vehicle Info NeededMOROSOPART NUMBER: 710-63615
Water Pump Adapter kit GM LS-Series Engines w/Big Block Chevy Electric Or Mechanical Water Pumps
$29199
Ships on Sep 03, 2026
Lowest Price Guarantee- Water Pump Adapter kit
- GM LS-Series Engines w/Big Block Chevy Electric Or Mechanical Water Pumps
Water Pump Adapter; GM LS Series Engines, Adapts a BBC style electric or conventional water pump to a GM LS Series Engine• Adapts a BBC style electric or conventional water pump to LS series engines• Eliminates the bulky LS water pump with a more compact, cost effective pump• Since BBC water pumps have been around for years, many different drive and pulleys are available and now can be used on a GM LS Series engine• Kit includes: 2 billet aluminum adapter blocks (right and left), 2 pump adapter plates, fasteners, Viton® O-rings, and 4 high flow -12AN fittings• Requires use of a Remote Thermostat Housing, such a Moroso Part No. 63425, or 63426
- Moroso LS to Big Block Chevy water pump adapters allow installation of a conventional or electric Big Block Chevy water pump to a LS series engine. This eliminates the bulky LS water pump with a more compact, cost-effective solution. Because the Big Block has been around for so long, there are more options for not only pumps, but for drives and pulleys as well. Each kit includes 2 billet aluminum adapter blocks, 2 pump mounting plates, fasteners, Viton O-rings, and high flow -12 AN fittings. This kit requires the use of a remote thermostat housing such as Moroso part numbers 710-63425 or 710-63426.
Part TypeWater Pump Spacer
Product LineMoroso Water Pump Adapters LS-Engine To Big Block Chevy Water Pump
BrandMOROSO
Package Height5.1
Package Width6.1
Package Length6.5
Weight2.42 PG
Part CategoryPerformance Parts
Water Pump Adapter Block MaterialAluminum
Outlet QuantityOne
QuantitySold as a kit
Fitting Size 2-12 AN
Fitting Attachment 2Male Threads
Inlet QuantityOne
Fitting Attachment 1Male Threads
Part FitmentSemi Universal
Water Pump Adapter Block FinishNatural
Fitting Size 1-12 AN
Vendor Part Number63615
Package Qty1
Package TypeEA
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