5/8" Gilmer Style Crank Pulley Spacer with 2 3/4" Bolts - Polished

• Fits Gilmer crank pulley spacing setups

• Billet Aluminum spacer with polished finish with 0.625 in. width

• Positions the crank pulley to improve Gilmer belt tracking and accessory alignment

• Confirm bolt length, crank pulley stack-up, belt width, and front drive spacing before installation

Crank Pulley Spacing & Gilmer Drive Alignment:This spacer is built for Gilmer-style crank pulley setups that require accurate pulley spacing and belt alignment.

Spacer Dimensions & Hardware:Billet Aluminum construction with polished finish and 0.625 in. spacer width help position the crank pulley correctly. The setup is intended for use with 2 3/4 in. bolts where applicable.

Installation Notes:Proper crank pulley spacing is critical for belt tracking and drive stability. Verify bolt length, crank pulley stack-up, belt width, and accessory alignment before installation.

What applications is this pulley kit compatible with?
This pulley kit is designed for CHEVROLET SMALL BLOCK V8 GEN. I and Spacer needed to use with TSP JM9121 alternator bracket.

Will this pulley kit fit my engine?
This pulley kit is intended for GM LT applications and should be matched to your engine accessories, belt system, and bracket layout.

What does a pulley kit do?
A pulley kit drives engine accessories such as the alternator, water pump, power steering pump, and A/C compressor while helping control accessory speed and belt alignment.

What components are included with this pulley kit?
Included components should be confirmed in the specifications, and you should verify that the kit matches the accessories used on your engine.

What material are these pulleys made from?
These pulleys are made from aluminum, which helps reduce weight while maintaining strength and durability.

Do I need to verify belt compatibility before installation?
Yes, pulley kits must match the correct belt style, groove count, and accessory layout for proper operation.

Can pulley ratios affect engine accessory speed?
Yes, pulley ratios determine how fast accessories spin, which can impact charging, cooling, and steering performance.

Will this pulley kit help improve engine bay appearance?
Yes, a pulley kit can give the front accessory drive a cleaner, more finished appearance while also supporting upgraded accessory setups.

Is this pulley kit a good upgrade over stock pulleys?
Yes, an aftermarket pulley kit can improve appearance, reduce weight, and support a more performance-focused accessory drive system.

Do I need to verify accessory and bracket compatibility before installation?
Yes, pulley kits must match the correct accessory spacing, bracket arrangement, and water pump style for proper fitment.

Do I need additional hardware for installation?
Depending on your setup, you may need mounting hardware, spacers, or accessory-specific parts for proper installation.

Why is pulley alignment important?
Proper pulley alignment is critical for belt tracking, accessory performance, and preventing premature belt wear.

Can this pulley kit be used on performance or custom builds?
Yes, pulley kits are commonly used on performance and custom builds where appearance, accessory drive control, and fitment matter.

Can pulley kits affect accessory performance?
Yes, pulley diameter and ratio can affect how quickly accessories spin, so the kit should be matched to the intended street or performance use.