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MSD Chevy Crab Cap Crank Trigger Distributor - 8489
MSD Chevy Crab Cap Crank Trigger Distributor - 8489 - Image 2 MSD Chevy Crab Cap Crank Trigger Distributor - 8489 - Image 2
The MSD Crab Cap Distributors are built specifically for racing engines with almost no room for a distributor due to tunnel rams or blowers. The distributor is equipped with a special low-profile crab style distributor cap to allow it to fit in extremely tight areas.

The housing features two optional O-rings at the bottom that improve oil control by preventing oil pressure loss. Also, a small oil bleed hole located in the base sprays oil on the distributor and camshaft gears to prevent excessive wear. Since this is a racing distributor, there is an adjustable slip collar to make up for engines that have had the distance between the mounting surface and the gear modified.

Crowning this distributor is MSD's own Crab Cap! This cap incorporates spark plug style terminals for a better connection and grip to the plug wires.

Features:
  • Must be used with an MSD Crank Trigger and MSD Ignition Control
  • Supplied with small, low crab style distributor cap, rotor and bronze gear
  • O-ring seals can be added to modified blocks to improve oil pressure control
  • Special oil tract improves lubrication to the distributor and cam gear
  • Shaft is guided by a sealed ball bearing and an extra long sintered bushing
  • Oversized polished steel shaft with a QPQ coating for friction reduction
  • 0.500” taller for extra tall Chevrolet based engine blocks
  • Adjustable slip collar for engines with modified deck heights
  • CNC machined billet aluminum housing and Dupont Rynite base is designed for standard Chevrolet blocks
  • Designed to fit low in the block to clear firewall and intake combinations
Specifications:
  • Brand: MSD
  • Color: Red
  • Distributor Type: Crank Trigger
  • Engine: Chevy Small and Big Block
  • Gear: Bronze
  • Product Type: Distributor
  • Warranty: Limited 1 Year Warranty

Other Part Numbers:
MSD Ignition #MSD-8489

Proposition 65

⚠ WARNING: Cancer and Reproductive Harm
https://www.P65Warnings.ca.gov

Vehicle
1955-1975, 1981
 Chevrolet Bel Air
1958-1972
 Chevrolet Biscayne
1969-1974, 1987-1994
 Chevrolet Blazer
1959-1961, 1969-1972
 Chevrolet Brookwood
1960-1986
 Chevrolet C/K 10
1988-1999
 Chevrolet C/K 1500
1960-1987
 Chevrolet C/K 20
1988-2000
 Chevrolet C/K 2500
1960-1986
 Chevrolet C/K 30
1988-2000
 Chevrolet C/K 3500
1982-1985
 Chevrolet C15
1994-1999
 Chevrolet C1500
1983-2000
 Chevrolet C35
1967-1997
 Chevrolet Camaro
1966-1996
 Chevrolet Caprice
1964-1973
 Chevrolet Chevelle
1963-1968
 Chevrolet Chevy II
1955-1982, 1984-1996
 Chevrolet Corvette
1957
 Chevrolet Del Ray
1959-1960, 1964-1987
 Chevrolet El Camino
1996-2002
 Chevrolet Express
1975-1995
 Chevrolet G10
1969-1974
 Chevrolet G10 Van
1975-1995
 Chevrolet G20
1969-1974
 Chevrolet G20 Van
1978-1996
 Chevrolet G30
1959-1985, 1994-1996
 Chevrolet Impala
1975-1986
 Chevrolet K5 Blazer
1959-1961, 1969-1972
 Chevrolet Kingswood
1973-1976
 Chevrolet Laguna
1964-1967, 1973-1983
 Chevrolet Malibu
1970-1988
 Chevrolet Monte Carlo
1976-1979
 Chevrolet Monza
1969-1979
 Chevrolet Nova
1955-1957
 Chevrolet One-Fifty Series
1961-1962
 Chevrolet P10 Series
1973
 Chevrolet P10 Van
1981-1982
 Chevrolet P20
1961-1962
 Chevrolet P20 Series
1968-1974
 Chevrolet P20 Van
1981-1982, 1997-1999, 2002
 Chevrolet P30
1961-1962
 Chevrolet P30 Series
1968-1974
 Chevrolet P30 Van
1987
 Chevrolet R/V 10
1987
 Chevrolet R/V 20
1987-1988
 Chevrolet R/V 30
1987-1988
 Chevrolet R20
1989
 Chevrolet R2500
1989-1991
 Chevrolet R3500
1955-1957
 Chevrolet Sedan Delivery
2001-2002
 Chevrolet Silverado 2500
2001-2003
 Chevrolet Silverado 3500
1960-1966, 1987-2002
 Chevrolet Suburban
1995-2000
 Chevrolet Tahoe
1969-1972
 Chevrolet Townsman
1955-1960
 Chevrolet Truck
1955-1957
 Chevrolet Two-Ten Series
1987-1988
 Chevrolet V30
1989-1991
 Chevrolet V3500
1968-1978
 GMC C/K 15
1979-1980
 GMC C/K 1500
1968-1978
 GMC C/K 25
1979-1986, 1991-2000
 GMC C/K 2500
1973-1978
 GMC C/K 35
1979-1986, 1988-2000
 GMC C/K 3500
1988-1996
 GMC G3500
1973-1974, 1976
 GMC Jimmy
1987-1989
 GMC R2500
1990-1991
 GMC R2500 Suburban
1987-1991
 GMC R3500
1996-2000
 GMC Savana
1971-1975
 GMC Sprint
1987-1991
 GMC V3500

MSD Ignition Banner

Who is MSD Ignition?

MSD Ignition started back in 1970. Based in El Paso Texas, the company is known for creating quality ignition systems for various automobiles. Today, they are considered the leading company when it comes to the ignition system and has become a brand recognized all over the world.

Changing the Way Vehicles are Made

MSD has helped shape the automotive industry by being the first company in the world to conduct an experiment regarding Multiple Spark Discharge for a vehicle’s ignition system. It has been suggested by Engineers who were working on the White Sands Missile Range in Southern Mexico. They noticed that their quest for power is limited by the amount of spark the ignition system can only generate. Hence, the idea of Multi Spark Discharge.

Racing Application

Soon after the product introduction, racers started applying it to their race cars. Due to its success, other top teams started using MSD which helped paved the way for the brand’s popularity. The majority of the race engines today use MSD and have proven to produce race champions.

The company operates in a 100,000 square feet facility in Texas. They house some of the most state-of-the-art equipment that helps them create products that are superior in quality.

Purchase MSD Ignition Products at Vivid Racing

If you are in search of the best ignition system available in the market, then MSD is the brand for you. Tested by many enthusiasts and racers for years, MSD has proven to provide optimum performance in every vehicle.




MSD warrants this product to be free from defects in material and workmanship under its intended normal use*, when properly installed and purchased from an authorized MSD dealer, for a period of one year from the date of the original purchase. This warranty is void for any products purchased through auction websites. If found to be defective as mentioned above, it will be repaired or replaced at the option of MSD. Any item that is covered under this warranty will be returned free of charge using Ground shipping methods.

This shall constitute the sole remedy of the purchaser and the sole liability of MSD. To the extent permitted by law, the foregoing is exclusive and in lieu of all other warranties or representation whether expressed or implied, including any implied warranty of merchantability or fitness. In no event shall MSD or its suppliers be liable for special or consequential damages.

Intended normal use means that this item is being used as was originally intended and for the original application as sold by MSD. Any modifications to this item or if it is used on an application other than what MSD markets the product, the warranty will be void. It is the sole responsibility of the customer to determine that this item will work for the application they are intending. MSD will accept no liability for custom applications.
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Sale price None
Wholesale price $353.95
Shipping Weight: 4.15
Length: 17
Width: 7
Height: 7
Product Added At Saturday 23 December, 2017
Product Modified At Wednesday 06 August, 2025
Imported By ETLOverride
Last Edited By vendordata@vividracing.com
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