Mr. Gasket Harmonic Balancer Bolt 7847

Name: Mr. Gasket Harmonic Balancer Bolt 7847
Brand: Mr. Gasket
SKU: 4012312
Price: 67.99 CAD
Availability: InStock

$67.99 ea

NEWARRIVING SOONEstimated Ship Date 05/21/2025 (If Ordered Today)100 Available from HOLLEY PERFORMANCE PRODUCTS as of 05/01/2025

Model: 4012312

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Select a Vehicle or refer to the Vehicle Fitment Tab below to verify that this part fits your vehicle.

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877.352.5355

Description Vehicle Fitment Specifications Reviews (0) Product Q&A Related Products

Mr. Gasket Harmonic Balancer Bolt for Ford V8 except 351C. Fits 221,260,289,302,351W small block Windsor engines, 332,352,360,390,406,410,427,428 FEs, and 429,460 385 series big blocks. 5/8-18 x 2 inch long heat treated black oxide coated Grade 8 alloy steel with a thick parallel ground washer to provide accurate, uniform torque.

Features:

Heat treated black oxide coated Grade 8 alloy steel
Thick parallel ground washer provides more accurate, uniform torque

Note: Does not fit 351C

Installation Notes:

Note: Does not fit 351C

Vehicle Fitment:

The Vehicle Fitment Guide is to be used as a general reference. The data has been provided by our suppliers and manufacturers and may contain errors or incorrect data. Always refer to a professional to verify correct fitment for your vehicle.

Make	Model	Years	Engine	Fitment Notes
Ford	Mustang II	1975	5.0L / 302 / V8	ULTRA SEAL; HARMONIC BALANCER BOLT/WASHER KIT; 5/8 IN; -18 X 2 IN.; W/SPLIT LOCK WASHER AND THICK GROUND WASHER;
Ford	Mustang II	1976	5.0L / 302 / V8	ULTRA SEAL; HARMONIC BALANCER BOLT/WASHER KIT; 5/8 IN; -18 X 2 IN.; W/SPLIT LOCK WASHER AND THICK GROUND WASHER;
Ford	Mustang II	1977	5.0L / 302 / V8	ULTRA SEAL; HARMONIC BALANCER BOLT/WASHER KIT; 5/8 IN; -18 X 2 IN.; W/SPLIT LOCK WASHER AND THICK GROUND WASHER;
Ford	Mustang II	1978	5.0L / 302 / V8	ULTRA SEAL; HARMONIC BALANCER BOLT/WASHER KIT; 5/8 IN; -18 X 2 IN.; W/SPLIT LOCK WASHER AND THICK GROUND WASHER;
Ford	Mustang	1964	4.7L / 289 / V8 4.3L / 260 / V8	ULTRA SEAL; HARMONIC BALANCER BOLT/WASHER KIT; 5/8 IN; -18 X 2 IN.; W/SPLIT LOCK WASHER AND THICK GROUND WASHER;
Ford	Mustang	1965	4.7L / 289 / V8	ULTRA SEAL; HARMONIC BALANCER BOLT/WASHER KIT; 5/8 IN; -18 X 2 IN.; W/SPLIT LOCK WASHER AND THICK GROUND WASHER;
Ford	Mustang	1966	4.7L / 289 / V8	ULTRA SEAL; HARMONIC BALANCER BOLT/WASHER KIT; 5/8 IN; -18 X 2 IN.; W/SPLIT LOCK WASHER AND THICK GROUND WASHER;
Ford	Mustang	1967	4.7L / 289 / V8	ULTRA SEAL; HARMONIC BALANCER BOLT/WASHER KIT; 5/8 IN; -18 X 2 IN.; W/SPLIT LOCK WASHER AND THICK GROUND WASHER;
Ford	Mustang	1968	4.7L / 289 / V8 5.0L / 302 / V8	ULTRA SEAL; HARMONIC BALANCER BOLT/WASHER KIT; 5/8 IN; -18 X 2 IN.; W/SPLIT LOCK WASHER AND THICK GROUND WASHER;
Ford	Mustang	1969	5.0L / 302 / V8 5.8L / 351 / V8	ULTRA SEAL; HARMONIC BALANCER BOLT/WASHER KIT; 5/8 IN; -18 X 2 IN.; W/SPLIT LOCK WASHER AND THICK GROUND WASHER;
Ford	Mustang	1970	5.0L / 302 / V8 5.8L / 351 / V8 7.0L / 429 / V8	ULTRA SEAL; HARMONIC BALANCER BOLT/WASHER KIT; 5/8 IN; -18 X 2 IN.; W/SPLIT LOCK WASHER AND THICK GROUND WASHER;
Ford	Mustang	1971	5.0L / 302 / V8 7.0L / 429 / V8	ULTRA SEAL; HARMONIC BALANCER BOLT/WASHER KIT; 5/8 IN; -18 X 2 IN.; W/SPLIT LOCK WASHER AND THICK GROUND WASHER;
Ford	Mustang	1972	5.0L / 302 / V8	ULTRA SEAL; HARMONIC BALANCER BOLT/WASHER KIT; 5/8 IN; -18 X 2 IN.; W/SPLIT LOCK WASHER AND THICK GROUND WASHER;
Ford	Mustang	1973	5.0L / 302 / V8	ULTRA SEAL; HARMONIC BALANCER BOLT/WASHER KIT; 5/8 IN; -18 X 2 IN.; W/SPLIT LOCK WASHER AND THICK GROUND WASHER;
Ford	Mustang	1979	5.0L / 302 / V8	ULTRA SEAL; HARMONIC BALANCER BOLT/WASHER KIT; 5/8 IN; -18 X 2 IN.; W/SPLIT LOCK WASHER AND THICK GROUND WASHER;
Ford	Mustang	1980	4.2L / 255 / V8	ULTRA SEAL; HARMONIC BALANCER BOLT/WASHER KIT; 5/8 IN; -18 X 2 IN.; W/SPLIT LOCK WASHER AND THICK GROUND WASHER;
Ford	Mustang	1981	4.2L / 255 / V8	ULTRA SEAL; HARMONIC BALANCER BOLT/WASHER KIT; 5/8 IN; -18 X 2 IN.; W/SPLIT LOCK WASHER AND THICK GROUND WASHER;
Ford	Mustang	1982	4.2L / 255 / V8	ULTRA SEAL; HARMONIC BALANCER BOLT/WASHER KIT; 5/8 IN; -18 X 2 IN.; W/SPLIT LOCK WASHER AND THICK GROUND WASHER;
Ford	Mustang	1983	5.0L / 302 / V8	ULTRA SEAL; HARMONIC BALANCER BOLT/WASHER KIT; 5/8 IN; -18 X 2 IN.; W/SPLIT LOCK WASHER AND THICK GROUND WASHER;
Ford	Mustang	1995	5.8L / 351 / V8	ULTRA SEAL; HARMONIC BALANCER BOLT/WASHER KIT; 5/8 IN; -18 X 2 IN.; W/SPLIT LOCK WASHER AND THICK GROUND WASHER;
Ford	Mustang	2000	5.4L / 330 / V8	ULTRA SEAL; HARMONIC BALANCER BOLT/WASHER KIT; 5/8 IN; -18 X 2 IN.; W/SPLIT LOCK WASHER AND THICK GROUND WASHER;
Mercury	Capri	1979	5.0L / 302 / V8	ULTRA SEAL; HARMONIC BALANCER BOLT/WASHER KIT; 5/8 IN; -18 X 2 IN.; W/SPLIT LOCK WASHER AND THICK GROUND WASHER;
Mercury	Capri	1980	4.2L / 255 / V8	ULTRA SEAL; HARMONIC BALANCER BOLT/WASHER KIT; 5/8 IN; -18 X 2 IN.; W/SPLIT LOCK WASHER AND THICK GROUND WASHER;
Mercury	Capri	1981	4.2L / 255 / V8	ULTRA SEAL; HARMONIC BALANCER BOLT/WASHER KIT; 5/8 IN; -18 X 2 IN.; W/SPLIT LOCK WASHER AND THICK GROUND WASHER;
Mercury	Capri	1982	4.2L / 255 / V8 5.0L / 302 / V8	ULTRA SEAL; HARMONIC BALANCER BOLT/WASHER KIT; 5/8 IN; -18 X 2 IN.; W/SPLIT LOCK WASHER AND THICK GROUND WASHER;
Mercury	Capri	1983	5.0L / 302 / V8	ULTRA SEAL; HARMONIC BALANCER BOLT/WASHER KIT; 5/8 IN; -18 X 2 IN.; W/SPLIT LOCK WASHER AND THICK GROUND WASHER;
Mercury	Capri	1984	5.0L / 302 / V8	ULTRA SEAL; HARMONIC BALANCER BOLT/WASHER KIT; 5/8 IN; -18 X 2 IN.; W/SPLIT LOCK WASHER AND THICK GROUND WASHER;
Mercury	Capri	1985	5.0L / 302 / V8	ULTRA SEAL; HARMONIC BALANCER BOLT/WASHER KIT; 5/8 IN; -18 X 2 IN.; W/SPLIT LOCK WASHER AND THICK GROUND WASHER;
Mercury	Cougar	1968	4.7L / 289 / V8 5.0L / 302 / V8	ULTRA SEAL; HARMONIC BALANCER BOLT/WASHER KIT; 5/8 IN; -18 X 2 IN.; W/SPLIT LOCK WASHER AND THICK GROUND WASHER;
Mercury	Cougar	1969	5.8L / 351 / V8	ULTRA SEAL; HARMONIC BALANCER BOLT/WASHER KIT; 5/8 IN; -18 X 2 IN.; W/SPLIT LOCK WASHER AND THICK GROUND WASHER;
Mercury	Cougar	1970	5.0L / 302 / V8 5.8L / 351 / V8	ULTRA SEAL; HARMONIC BALANCER BOLT/WASHER KIT; 5/8 IN; -18 X 2 IN.; W/SPLIT LOCK WASHER AND THICK GROUND WASHER;
Mercury	Cougar	1971	7.0L / 429 / V8	ULTRA SEAL; HARMONIC BALANCER BOLT/WASHER KIT; 5/8 IN; -18 X 2 IN.; W/SPLIT LOCK WASHER AND THICK GROUND WASHER;
Mercury	Cougar	1973	6.6L / 400 / V8 7.5L / 460 / V8	ULTRA SEAL; HARMONIC BALANCER BOLT/WASHER KIT; 5/8 IN; -18 X 2 IN.; W/SPLIT LOCK WASHER AND THICK GROUND WASHER;
Mercury	Cougar	1974	6.6L / 400 / V8 5.8L / 351 / V8 7.5L / 460 / V8	ULTRA SEAL; HARMONIC BALANCER BOLT/WASHER KIT; 5/8 IN; -18 X 2 IN.; W/SPLIT LOCK WASHER AND THICK GROUND WASHER;
Mercury	Cougar	1975	6.6L / 400 / V8 5.8L / 351 / V8 7.5L / 460 / V8	ULTRA SEAL; HARMONIC BALANCER BOLT/WASHER KIT; 5/8 IN; -18 X 2 IN.; W/SPLIT LOCK WASHER AND THICK GROUND WASHER;
Mercury	Cougar	1976	6.6L / 400 / V8 5.8L / 351 / V8 7.5L / 460 / V8	ULTRA SEAL; HARMONIC BALANCER BOLT/WASHER KIT; 5/8 IN; -18 X 2 IN.; W/SPLIT LOCK WASHER AND THICK GROUND WASHER;
Mercury	Cougar	1977	6.6L / 400 / V8 5.0L / 302 / V8 5.8L / 351 / V8	ULTRA SEAL; HARMONIC BALANCER BOLT/WASHER KIT; 5/8 IN; -18 X 2 IN.; W/SPLIT LOCK WASHER AND THICK GROUND WASHER;
Mercury	Cougar	1978	6.6L / 400 / V8 5.0L / 302 / V8 5.8L / 351 / V8	ULTRA SEAL; HARMONIC BALANCER BOLT/WASHER KIT; 5/8 IN; -18 X 2 IN.; W/SPLIT LOCK WASHER AND THICK GROUND WASHER;
Mercury	Cougar	1979	5.0L / 302 / V8 5.8L / 351 / V8	ULTRA SEAL; HARMONIC BALANCER BOLT/WASHER KIT; 5/8 IN; -18 X 2 IN.; W/SPLIT LOCK WASHER AND THICK GROUND WASHER;
Mercury	Cougar	1980	5.0L / 302 / V8 4.2L / 255 / V8	ULTRA SEAL; HARMONIC BALANCER BOLT/WASHER KIT; 5/8 IN; -18 X 2 IN.; W/SPLIT LOCK WASHER AND THICK GROUND WASHER;
Mercury	Cougar	1981	5.0L / 302 / V8 4.2L / 255 / V8	ULTRA SEAL; HARMONIC BALANCER BOLT/WASHER KIT; 5/8 IN; -18 X 2 IN.; W/SPLIT LOCK WASHER AND THICK GROUND WASHER;
Mercury	Cougar	1982	4.2L / 255 / V8	ULTRA SEAL; HARMONIC BALANCER BOLT/WASHER KIT; 5/8 IN; -18 X 2 IN.; W/SPLIT LOCK WASHER AND THICK GROUND WASHER;
Mercury	Cougar	1983	5.0L / 302 / V8	ULTRA SEAL; HARMONIC BALANCER BOLT/WASHER KIT; 5/8 IN; -18 X 2 IN.; W/SPLIT LOCK WASHER AND THICK GROUND WASHER;
Mercury	Cougar	1984	5.0L / 302 / V8	ULTRA SEAL; HARMONIC BALANCER BOLT/WASHER KIT; 5/8 IN; -18 X 2 IN.; W/SPLIT LOCK WASHER AND THICK GROUND WASHER;
Mercury	Cougar	1985	5.0L / 302 / V8	ULTRA SEAL; HARMONIC BALANCER BOLT/WASHER KIT; 5/8 IN; -18 X 2 IN.; W/SPLIT LOCK WASHER AND THICK GROUND WASHER;
Mercury	Cougar	1986	5.0L / 302 / V8	ULTRA SEAL; HARMONIC BALANCER BOLT/WASHER KIT; 5/8 IN; -18 X 2 IN.; W/SPLIT LOCK WASHER AND THICK GROUND WASHER;
Mercury	Cougar	1987	5.0L / 302 / V8	ULTRA SEAL; HARMONIC BALANCER BOLT/WASHER KIT; 5/8 IN; -18 X 2 IN.; W/SPLIT LOCK WASHER AND THICK GROUND WASHER;
Mercury	Cougar	1988	5.0L / 302 / V8	ULTRA SEAL; HARMONIC BALANCER BOLT/WASHER KIT; 5/8 IN; -18 X 2 IN.; W/SPLIT LOCK WASHER AND THICK GROUND WASHER;

Specifications:

Emission Code	5
Engine	Ford Big Block V8, Ford Modified, Ford Small Block Windsor, Ford FE Block
Finish	Black Oxide
Material	Steel
Part Type	Engine Harmonic Balancer Bolt
Product Type	Harmonic Balancer Bolts
Warranty	Limited 90 Day
Weight	0.5400

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