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MSD Pro-Billet distributors share the same CNC machining techniques as the rest of the MSD distributor line. They feature a housing that is machined from high-quality 6061-T6 aluminum for durability and show-quality looks. Their oversized shaft receives a QPQ coating for friction reduction and corrosion resistance, with the added strength of two sealed ball bearings that guide the shaft accurately at well over 10,000 rpm. An extra-long sintered bushing replaces the ball bearing at the bottom of Chevrolet models. TIG-welded on top of the polished steel shaft is MSD's accurate mechanical advance assembly. The weights are supported by nylon pads that allow the advance to operate smoothly throughout the rpm range. For all-out racing, the advance mechanism can also be easily locked out. To accurately trigger the ignition, a high-output magnetic pickup is bolted to the base. This pickup produces a precise trigger signal that will never vary more than one degree at any rpm. A durable gear is installed for performance applications, and an MSD red cap with brass terminals and race rotor is supplied. They're available in standard and small diameter models for applications with limited clearance, and require the use of a separate ignition box such as an MSD 6, 7, 8, or 10 Series ignition.
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Results 1-20 of 426
Required Parts: Additional parts that are required in order to install or use part number MSD-85551.
Results 1-3 of 3
Ignition Box, HyFire VI-A, Digital, Capacitive Discharge, Universal, Magnetic Trigger Applications, Each
Part Number: MAA-6852M
Estimated Ship Date: 5/29/2012
Ignition Box, HyFire VI-AL, Digital, Capacitive Discharge, Universal, Magnetic Trigger Applications, Each
Part Number: MAA-6853M
Ignition Box, MSD Street Fire, Digital CD, with Rev Limiter, Black, Each
Part Number: MSD-5520
Suggested Parts: Parts that may improve the performance or installation of part number MSD-85551.
Results 1-7 of 7
Loctite Dielectric Grease, 0.33 oz
Part Number: LCT-37534
Distributor Hold-Down Clamp, Steel, Gold Iridited, Stud Mount, Chevy, Small/Big Block, Each
Part Number: MOR-26200
Distributor Hold-Down Clamp, Steel, Chrome, Bolt Mount, Chevy, Small/Big Block, Each
Part Number: MRG-1009
Ignition Coil, Blaster 2, Canister, Round, Oil Filled, Red, 45,000 V, Each
Part Number: MSD-8202
Ignition Coil, Blaster SS, E-Core, Square, Epoxy, Red, 40,000 V, Each
Part Number: MSD-8207
Dielectric Grease, Spark Guard, 1/2 oz., Each
Part Number: MSD-8804
Part Number: SUM-400500
Related Kit/Combos: MSD-85551 is available bundled for easy shopping and proven performance.
Results 1-2 of 2
Combo, MSD, 6AL-2, Digital, Distributor, Pro-Billet, Coil, Blaster 2, Plug Wires, Chevy, Small/Big Block, Kit
Part Number: CMB-06-0015
Combo, MSD, 6AL, Analog, Distributor, Pro-Billet, Coil, Blaster 2, Plug Wires, Chevy, Small/Big Block, Kit
Part Number: CMB-06-0016
Repair Parts: Components of MSD-85551 that may require future replacement due to normal wear and tear.
Results 1-14 of 14
Distributor Rotor, Heavy-Duty, Stainless Steel Contact, AMC, GM, Jeep, V8, Single Points, Each
Part Number: ACC-130117
Distributor Gear, Aluminum, Bronze, Race, .500 in. Diameter Shaft, Chevy, Small Block, Big Block, V6, Each
Part Number: CRN-11979-1
Distributor Cap, Male/HEI-Style, Red, Extra-Duty, Pro-Billet, Screw-Down, GM, V8, Each
Part Number: MSD-8433
Distributor Cap, Male/HEI-Style, Black, Clamp-Down, GM/MSD, Billet, Pro-Billet, V8, Each
Part Number: MSD-84333
Cap and Rotor, Red, Male/HEI, Brass Terminals, Clamp Down, Billet, Pro Billet, V8, Kit
Part Number: MSD-84335
Distributor Advance, Mechanical, Springs, Bushings, MSD Pro-Billet, Kit
Part Number: MSD-8464
Magnetic Pickup, Replacement for MSD Distributors, Each
Part Number: MSD-84661
Distributor Rotor, Stainless Steel/Brass Contact, MSD, Billet, Pro-Billet, V8, Each
Part Number: MSD-8467
Distributor Gear, Aluminum, Bronze, Race, .500 in. Diameter Shaft, Chevy, Small Block, Big Block, V6
Part Number: MSD-8471
O-Rings, MSD Chevy Distributors, Kit
Part Number: MSD-8494
Distributor Gear, Iron, Roll Pin Included, .500 in. Diameter Shaft, Chevy, Small, Big Block, V6, Each
Part Number: MSD-8531
Distributor Weight, Kit
Part Number: MSD-8628
Cap and Rotor, Maroon, Male/HEI, Brass Terminals, Buick, Cadillac, Chevy, GMC, Oldsmobile, Pontiac, V8, Kit
Part Number: SUM-G5234
Cap and Rotor, Black, Male/HEI, Brass Terminals, Clamp Down, Summit, MSD, Chevy, Kit
Part Number: SUM-G5245
Four 347 cubic inch small block Fords. Twelve dyno pulls. Sixteen anxious engine builders. One winne…
Distributor Cap, Male/HEI-Style, Red, Screw-Down, Billet V8, Each