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Top Street Performance

Chevy Big Block Long Water Pump Alternator Bracket - Polished

Chevy Big Block Long Water Pump Alternator Bracket - Polished

SKU: SKU: JM9103P

Regular price $105.91
Sale price $105.91 Regular price $120.35
Shipping calculated at checkout.

In stock

Top Street Performance (TSP) is committed to providing high-quality performance parts while complying with emissions regulations. This product is designed for use on vehicles that comply with federal emissions regulations. It is the customer’s responsibility to verify that this part is legal for use in their state or local jurisdiction. Check with your local emissions authority before purchasing.
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Product Details

Features

  • Designed for Big Block Chevy engines with long water pumps
  • Passenger-side alternator mounting position
  • Rigid Bracket Construction – Provides stable component support
  • Rigid Mounting Support – Helps maintain proper component positioning

Description

Upgrade your accessory drive system with this Chevy Big Block Long Water Pump Passenger Side Alternator Bracket featuring a durable polished finish and heavy-duty steel construction. Designed for compatible Big Block Chevrolet engines using a long water pump configuration, this bracket provides secure alternator mounting while adding a clean, finished appearance to your engine compartment.

This Big Block Chevy alternator bracket is engineered to help maintain proper alternator positioning and belt alignment during normal street driving, restoration projects, and performance applications. The passenger-side mounting design integrates with compatible accessory drive layouts commonly used on Chevrolet Big Block V8 engines.

Whether you're replacing worn factory hardware on a 396, 402, or 454 Big Block Chevy engine, or completing a fresh engine build, this long water pump alternator bracket delivers reliable support and classic chrome styling.

Popular among muscle car, street rod, truck, and restoration enthusiasts, this passenger-side alternator bracket is an excellent choice for compatible Mark IV Big Block Chevrolet applications requiring a long water pump accessory drive setup.

 

Long Water Pump Compatibility
Designed for compatible Big Block Chevrolet engines equipped with a long water pump accessory drive configuration.

Heavy-Duty Steel Construction
Manufactured from steel to withstand engine vibration and normal accessory drive loads while providing reliable alternator support.

Polished Engine Bay Appearance
The polished finish enhances engine compartment appearance and complements restoration, muscle car, street rod, and performance builds.

Passenger-Side Alternator Mounting
Positions the alternator on the passenger side of the engine for compatibility with the specified accessory drive layout.

Specs

Accessory TypeAlternator
Alternator StyleGM 10Si
FinishPolished
Bracket TypeUpper & Lower
Water Pump StyleLong Neck
Mounting PositionPassenger Side
Lower MountingWater Pump
Bracket MaterialBillet Aluminum
HardwareIncluded

Engine Fitment

COMPATIBLE WITH
CHEVROLET BIG BLOCK V8 GEN. II (MARK IV)
• 6.5 L / 396 in3
• 6.6 L / 402 in3
• 7.0 L / 427 in3
• 7.4 L / 454 in3
• 8.2 L / 502 in3

CHEVROLET BIG BLOCK V8 GEN. V
• 7.4 L / 454 in3
• 8.2 L / 502 in3

CHEVROLET BIG BLOCK V8 GEN. VI
• 7.4 L / 454 in3
• 8.2 L / 502 in3

NOTES
Long water pump configuration required
Passenger-side alternator mounting
Verify accessory drive layout before installation

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)

Q&A

What applications is this bracket compatible with?
This bracket is designed for COMPATIBLE WITH, CHEVROLET BIG BLOCK V8 GEN. II (MARK IV), 6.5 L / 396 in3, 6.6 L / 402 in3, 7.0 L / 427 in3, 7.4 L / 454 in3, 8.2 L / 502 in3, CHEVROLET BIG BLOCK V8 GEN. V, 7.4 L / 454 in3, 8.2 L / 502 in3, CHEVROLET BIG BLOCK V8 GEN. VI, 7.4 L / 454 in3, 8.2 L / 502 in3.


Will this bracket fit my setup?
This bracket is intended for Chevy/GM applications and should match your engine accessories and mounting configuration.


What does this bracket do?
This bracket is used to mount and secure engine accessories such as alternators, power steering pumps, or other components.


What material is this bracket made from?
This bracket is made from steel, providing strength and durability.


What finish does this bracket have?
This bracket features a black finish, which enhances appearance and corrosion resistance.


Do I need to align accessories when installing this bracket?
Yes, proper alignment is critical to ensure correct belt tracking and accessory operation.


Do I need hardware for installation?
You may need bolts or spacers depending on your setup.


Will this bracket work with aftermarket accessories?
Yes, many brackets are designed to support aftermarket and performance accessory setups when properly matched.


Is this a good upgrade over stock brackets?
Yes, aftermarket brackets can improve fitment, durability, and engine bay appearance.


Do I need to verify compatibility before installation?
Yes, brackets must match your engine, accessories, and belt system for proper fitment.


Can this bracket be used in performance or custom builds?
Yes, brackets are commonly used in performance and custom engine builds.

Emissions Notice

This product does not affect vehicle emissions and is not subject to emissions compliance regulations.