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MSD

GM HEI Weight & Spring Kit

The Kit comes with new advance weights, springs to set the rate of advance and new bushings.

Part # 8428 Be the first to write a review
In Stock
Holley Days
$27.84
Suggested Retail
$34.37
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5

Emissions

This part is legal for sale or use on Emissions Controlled Vehicles, Uncontrolled (Non-Emissions Controlled) Vehicles, and Racing Use Only Vehicles because it does not affect vehicle emissions and is not covered by emissions regulations.

See Emissions Details

We Suggest

This kit will help you achieve the solid ignition timing you need! This is designed for the Street Fire HEI and stock style HEI Distributors. (Not for use with Billet and Pro-Billet MSD Distributors)

Features:

  • Fits Street-Fire HEI
  • Fits Stock Style HEI Distributors
  • Not for MSD Billet and Pro-Billet Distributors

About MSD

From small block street cruisers to 10000 horsepower top fuel dragsters, MSD's ignition systems has been the industry leader for over 40 years. MSD continues to push the envelope with cutting-edge ignition technology as well as intake manifolds and EFI systems.

Brand MSD
ColorBlack
Distributor TypeHEI
Emission Code5
Product TypeDistributors and Components
Special OffersHolley Days
WarrantyLimited 1 Year Warranty
UPC085132084289
Part Number8428
5

This part is legal for sale or use on Emissions Controlled Vehicles, Uncontrolled (Non-Emissions Controlled) Vehicles, and Racing Use Only Vehicles because it does not affect vehicle emissions and is not covered by emissions regulations.
Instructions for Part# 8428
Limited 1 Year Warranty: See Details

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    *Free Shipping & Handling only offered to the contiguous US on orders over $100, excludes clearance parts and oversized packages.

    Some parts are not legal for use in California or other states with similar regulations.