MSD GM HEI Weight & Spring Kit 8428 1985-gmc-jimmy-esi6745556 Improves Handling For A Comfortable

Improves Handling For A Comfortable Ride For Track Or Street Use

9L CumminsPowerFlo 750 is a straight forward

Suspension Lift

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MSD GM HEI Weight & Spring Kit 8428 1985-gmc-jimmy-esi6745556 Improves Handling For A ComfortableThe Kit comes with new advance weights, springs to set the rate of advance and new bushings. MSD GM HEI Weight & Spring Kit 8428 Specifications: Brand MSD Category Ignition Color Black Distributor Type HEI Emission Code 5 part type Distributor Mechanical Advance Product Type Distributors and Components Sub Category Distributor and Magneto Warning California Proposition 65 Warranty Manufacturer's Limited 1 Year Warranty Brand MSD Category Ignition