Gibson Performance Exhaust Exhaust System Kit - 66509 ⚠ Check if this part fits your vehicle Select your vehicle to confirm fitment before you buy. Select vehicle Harmonic Balancer Manufacturers: Gibson Performance Exhaust , Proform $89.99 Qty: Add to cart Ship to Select country United States of America Afghanistan Åland Islands Albania Algeria American Samoa Andorra Angola Anguilla Antarctica Antigua and Barbuda Argentina Armenia Aruba Australia Austria Azerbaijan Bahamas Bahrain Bangladesh Barbados Belarus Belgium Belize Benin Bermuda Bhutan Bolivia (Plurinational State of) Bonaire, Sint Eustatius and Saba Bosnia and Herzegovina Botswana Bouvet Island Brazil British Indian Ocean Territory Brunei Darussalam Bulgaria Burkina Faso Burundi Cabo Verde Cambodia Cameroon Canada Cayman Islands Central African Republic Chad Chile China Christmas Island Cocos (Keeling) Islands Colombia Comoros Congo Congo (Democratic Republic of the) Cook Islands Costa Rica Côte d'Ivoire Croatia Cuba Curaçao Cyprus Czechia Denmark Djibouti Dominica Dominican Republic Ecuador Egypt El Salvador Equatorial Guinea Eritrea Estonia Eswatini Ethiopia Falkland Islands (Malvinas) Faroe Islands Fiji Finland France French Guiana French Polynesia French Southern Territories Gabon Gambia Georgia Germany Ghana Gibraltar Greece Greenland Grenada Guadeloupe Guam Guatemala Guernsey Guinea Guinea-Bissau Guyana Haiti Heard Island and McDonald Islands Holy See Honduras Hong Kong Hungary Iceland India Indonesia Iran (Islamic Republic of) Iraq Ireland Isle of Man Israel Italy Jamaica Japan Jersey Jordan Kazakhstan Kenya Kiribati Korea (Democratic People's Republic of) Korea (Republic of) Kuwait Kyrgyzstan Lao People's Democratic Republic Latvia Lebanon Lesotho Liberia Libya Liechtenstein Lithuania Luxembourg Macao Madagascar Malawi Malaysia Maldives Mali Malta Marshall Islands Martinique Mauritania Mauritius Mayotte Mexico Micronesia (Federated States of) Moldova (Republic of) Monaco Mongolia Montenegro Montserrat Morocco Mozambique Myanmar Namibia Nauru Nepal Netherlands New Caledonia New Zealand Nicaragua Niger Nigeria Niue Norfolk Island North Macedonia Northern Mariana Islands Norway Oman Pakistan Palau Palestine, State of Panama Papua New Guinea Paraguay Peru Philippines Pitcairn Poland Portugal Puerto Rico Qatar Réunion Romania Russian Federation Rwanda Saint Barthélemy Saint Helena, Ascension and Tristan da Cunha Saint Kitts and Nevis Saint Lucia Saint Martin (French part) Saint Pierre and Miquelon Saint Vincent and the Grenadines Samoa San Marino Sao Tome and Principe Saudi Arabia Senegal Serbia Seychelles Sierra Leone Singapore Sint Maarten (Dutch part) Slovakia Slovenia Solomon Islands Somalia South Africa South Georgia and the South Sandwich Islands South Sudan Spain Sri Lanka Sudan Suriname Svalbard and Jan Mayen Sweden Switzerland Syrian Arab Republic Taiwan, Province of China Tajikistan Tanzania, United Republic of Thailand Timor-Leste Togo Tokelau Tonga Trinidad and Tobago Tunisia Turkey Turkmenistan Turks and Caicos Islands Tuvalu Uganda Ukraine United Arab Emirates United Kingdom of Great Britain and Northern Ireland United States Minor Outlying Islands Uruguay Uzbekistan Vanuatu Venezuela (Bolivarian Republic of) Vietnam Virgin Islands (British) Virgin Islands (U.S.) Wallis and Futuna Western Sahara Yemen Zambia Zimbabwe * Other * Shipping Method Name Estimated Delivery Price No shipping options Apply Custom wishlist OK Add to wishlist Add to compare list Email a friend Engine Harmonic Balancer Products specifications Attribute name Attribute value Inlet Inside Diameter 2.500 in. Tail Pipe Diameter 2.500 in. Tubing Diameter 2.500 in. Muffler Body Length 24.000 in. Tip Diameter 3.500 in. Exhaust Type Cat-Back Material Stainless Steel Exit Position Straight Out Back WARNING CA Proposition 65 Message WARNING: Motor vehicles contain fuel; oils and fluids; battery posts; terminals and related accessories which contain lead and lead compounds and other chemicals known to the State of California to cause cancer; birth defects and other reproductive harm. These chemicals are found in vehicles; vehicle parts and accessories; both new and as replacements. When being serviced; these vehicles generate used oil; waste fluids; grease; fumes and particulates; all known to the State of California to cause cancer; birth defects; and reproductive harm. WARNING CA Proposition 65 Yes RPM Limit 6000 RPM Feature/Benefit Fits Chevy small and big block engines. Applications Chevy Small Block 350 Engines 1955 to 1986 Category Harmonic Balancer Internally/Externally Balanced Internal 🚗 Compatible with 473 vehicles are compatible with this product Year Make Model 1986 Excalibur Phaeton 1984 Chevrolet K5 Blazer 1985 Chevrolet K5 Blazer 1986 Chevrolet K5 Blazer 1984 Chevrolet C10 1985 Chevrolet C10 1986 Chevrolet C10 1984 Chevrolet C10 Suburban 1985 Chevrolet C10 Suburban 1986 Chevrolet C10 Suburban 1984 Chevrolet C20 1985 Chevrolet C20 1986 Chevrolet C20 1984 Chevrolet C20 Suburban 1985 Chevrolet C20 Suburban 1986 Chevrolet C20 Suburban 1984 Chevrolet C30 1985 Chevrolet C30 1986 Chevrolet C30 1986 Chevrolet Caprice 1985 Chevrolet Caprice 1985 Chevrolet Corvette 1986 Chevrolet Corvette 1984 Chevrolet G10 1985 Chevrolet G10 1986 Chevrolet G10 1984 Chevrolet G20 1985 Chevrolet G20 1986 Chevrolet G20 1984 Chevrolet G30 1985 Chevrolet G30 1986 Chevrolet G30 1984 Chevrolet Impala 1985 Chevrolet Impala 1984 Chevrolet K10 1985 Chevrolet K10 1986 Chevrolet K10 1984 Chevrolet K10 Suburban 1985 Chevrolet K10 Suburban 1986 Chevrolet K10 Suburban 1984 Chevrolet K20 1985 Chevrolet K20 1986 Chevrolet K20 1984 Chevrolet K20 Suburban 1985 Chevrolet K20 Suburban 1986 Chevrolet K20 Suburban 1984 Chevrolet K30 1985 Chevrolet K30 1986 Chevrolet K30 1984 Chevrolet P20 1985 Chevrolet P20 1986 Chevrolet P20 1984 Chevrolet P30 1985 Chevrolet P30 1986 Chevrolet P30 1984 GMC C1500 1985 GMC C1500 1986 GMC C1500 1984 GMC C1500 Suburban 1985 GMC C1500 Suburban 1986 GMC C1500 Suburban 1984 GMC C2500 1985 GMC C2500 1986 GMC C2500 1984 GMC C2500 Suburban 1985 GMC C2500 Suburban 1986 GMC C2500 Suburban 1984 GMC C3500 1985 GMC C3500 1986 GMC C3500 1984 GMC G1500 1985 GMC G1500 1986 GMC G1500 1984 GMC G2500 1985 GMC G2500 1986 GMC G2500 1984 GMC G3500 1985 GMC G3500 1986 GMC G3500 1984 GMC Jimmy 1985 GMC Jimmy 1986 GMC Jimmy 1984 GMC K1500 1985 GMC K1500 1986 GMC K1500 1984 GMC K1500 Suburban 1985 GMC K1500 Suburban 1986 GMC K1500 Suburban 1984 GMC K2500 1985 GMC K2500 1986 GMC K2500 1984 GMC K2500 Suburban 1985 GMC K2500 Suburban 1986 GMC K2500 Suburban 1984 GMC K3500 1985 GMC K3500 1986 GMC K3500 1984 GMC P2500 1985 GMC P2500 1986 GMC P2500 1984 GMC P3500 1985 GMC P3500 1986 GMC P3500 1968 Checker Marathon 1968 Chevrolet Bel Air 1968 Chevrolet Biscayne 1968 Chevrolet C10 Pickup 1968 Chevrolet C10 Suburban 1968 Chevrolet C20 Pickup 1968 Chevrolet C30 Pickup 1968 Chevrolet Camaro 1968 Chevrolet Caprice 1965 Chevrolet Chevy II 1966 Chevrolet Chevy II 1968 Chevrolet Corvette 1968 Chevrolet El Camino 1964 Chevrolet Impala 1965 Chevrolet Impala 1966 Chevrolet Impala 1967 Chevrolet Impala 1968 Chevrolet Impala 1968 Chevrolet K10 Pickup 1968 Chevrolet K10 Suburban 1968 Chevrolet K20 Pickup 1968 Chevrolet K20 Suburban 1968 Chevrolet K30 Pickup 1968 GMC C15/C1500 Pickup 1968 GMC C15/C1500 Suburban 1968 GMC C25/C2500 Pickup 1968 GMC C25/C2500 Suburban 1968 GMC C35/C3500 Pickup 1968 GMC K15/K1500 Pickup 1968 GMC K15/K1500 Suburban 1968 GMC K25/K2500 Pickup 1968 GMC K25/K2500 Suburban 1968 GMC K35/K3500 Pickup 1988 Chevrolet Camaro 1989 Chevrolet Camaro 1987 Chevrolet Camaro 1990 Chevrolet Camaro 1991 Chevrolet Camaro 1992 Chevrolet Camaro 1987 Pontiac Firebird 1988 Pontiac Firebird 1989 Pontiac Firebird 1990 Pontiac Firebird 1991 Pontiac Firebird 1992 Pontiac Firebird 1990 Chevrolet C1500 1991 Chevrolet C1500 1992 Chevrolet C1500 1993 Chevrolet C1500 1994 Chevrolet C1500 1995 Chevrolet C1500 1988 Chevrolet C1500 1989 Chevrolet C1500 1994 Chevrolet C2500 1995 Chevrolet C2500 1988 Chevrolet C2500 1989 Chevrolet C2500 1990 Chevrolet C2500 1991 Chevrolet C2500 1992 Chevrolet C2500 1993 Chevrolet C2500 1994 Chevrolet K1500 1995 Chevrolet K1500 1988 Chevrolet K1500 1989 Chevrolet K1500 1990 Chevrolet K1500 1991 Chevrolet K1500 1992 Chevrolet K1500 1993 Chevrolet K1500 1994 Chevrolet K2500 1995 Chevrolet K2500 1988 Chevrolet K2500 1989 Chevrolet K2500 1990 Chevrolet K2500 1991 Chevrolet K2500 1992 Chevrolet K2500 1993 Chevrolet K2500 1988 GMC C1500 1989 GMC C1500 1990 GMC C1500 1991 GMC C1500 1992 GMC C1500 1993 GMC C1500 1994 GMC C1500 1995 GMC C1500 1988 GMC C2500 1989 GMC C2500 1990 GMC C2500 1991 GMC C2500 1992 GMC C2500 1993 GMC C2500 1994 GMC C2500 1995 GMC C2500 1988 GMC K1500 1989 GMC K1500 1990 GMC K1500 1991 GMC K1500 1992 GMC K1500 1993 GMC K1500 1994 GMC K1500 1995 GMC K1500 1988 GMC K2500 1989 GMC K2500 1990 GMC K2500 1991 GMC K2500 1992 GMC K2500 1993 GMC K2500 1994 GMC K2500 1995 GMC K2500 1992 GMC C1500 Suburban 1993 GMC C1500 Suburban 1994 GMC C1500 Suburban 1995 GMC C1500 Suburban 1992 GMC C2500 Suburban 1993 GMC C2500 Suburban 1994 GMC C2500 Suburban 1995 GMC C2500 Suburban 1988 GMC C3500 1989 GMC C3500 1990 GMC C3500 1991 GMC C3500 1992 GMC C3500 1993 GMC C3500 1994 GMC C3500 1995 GMC C3500 1992 GMC K1500 Suburban 1993 GMC K1500 Suburban 1994 GMC K1500 Suburban 1995 GMC K1500 Suburban 1992 GMC K2500 Suburban 1993 GMC K2500 Suburban 1994 GMC K2500 Suburban 1995 GMC K2500 Suburban 1988 GMC K3500 1989 GMC K3500 1990 GMC K3500 1991 GMC K3500 1992 GMC K3500 1993 GMC K3500 1994 GMC K3500 1995 GMC K3500 1994 Chevrolet C3500 1995 Chevrolet C3500 1988 Chevrolet C3500 1989 Chevrolet C3500 1990 Chevrolet C3500 1991 Chevrolet C3500 1992 Chevrolet C3500 1993 Chevrolet C3500 1994 Chevrolet K3500 1995 Chevrolet K3500 1988 Chevrolet K3500 1989 Chevrolet K3500 1990 Chevrolet K3500 1991 Chevrolet K3500 1992 Chevrolet K3500 1993 Chevrolet K3500 1987 Chevrolet R10 1988 Chevrolet R20 1987 Chevrolet R20 1989 Chevrolet R2500 1988 Chevrolet R30 1987 Chevrolet R30 1989 Chevrolet R3500 1990 Chevrolet R3500 1991 Chevrolet R3500 1987 Chevrolet V10 1987 Chevrolet V20 1988 Chevrolet V30 1987 Chevrolet V30 1989 Chevrolet V3500 1990 Chevrolet V3500 1991 Chevrolet V3500 1987 GMC R1500 1987 GMC R2500 1988 GMC R2500 1989 GMC R2500 1987 GMC R3500 1988 GMC R3500 1989 GMC R3500 1990 GMC R3500 1991 GMC R3500 1987 GMC V1500 1987 GMC V2500 1987 GMC V3500 1988 GMC V3500 1989 GMC V3500 1990 GMC V3500 1991 GMC V3500 2000 Dodge Dakota 2001 Dodge Dakota 2002 Dodge Dakota 2003 Dodge Dakota 1992 Chevrolet C1500 Suburban 1993 Chevrolet C1500 Suburban 1994 Chevrolet C1500 Suburban 1995 Chevrolet C1500 Suburban 1989 Chevrolet R1500 Suburban 1990 Chevrolet R1500 Suburban 1991 Chevrolet R1500 Suburban 1989 Chevrolet V1500 Suburban 1990 Chevrolet V1500 Suburban 1991 Chevrolet V1500 Suburban 1987 GMC R1500 Suburban 1988 GMC R1500 Suburban 1989 GMC R1500 Suburban 1990 GMC R1500 Suburban 1991 GMC R1500 Suburban 1992 Chevrolet C2500 Suburban 1993 Chevrolet C2500 Suburban 1994 Chevrolet C2500 Suburban 1995 Chevrolet C2500 Suburban 1992 Chevrolet K2500 Suburban 1993 Chevrolet K2500 Suburban 1994 Chevrolet K2500 Suburban 1995 Chevrolet K2500 Suburban 1989 Chevrolet R2500 Suburban 1990 Chevrolet R2500 Suburban 1991 Chevrolet R2500 Suburban 1989 Chevrolet V2500 Suburban 1990 Chevrolet V2500 Suburban 1991 Chevrolet V2500 Suburban 1987 GMC R2500 Suburban 1988 GMC R2500 Suburban 1989 GMC R2500 Suburban 1990 GMC R2500 Suburban 1991 GMC R2500 Suburban 1987 GMC V2500 Suburban 1988 GMC V2500 Suburban 1989 GMC V2500 Suburban 1990 GMC V2500 Suburban 1991 GMC V2500 Suburban 1992 Chevrolet K1500 Suburban 1993 Chevrolet K1500 Suburban 1994 Chevrolet K1500 Suburban 1995 Chevrolet K1500 Suburban 1995 Chevrolet Tahoe 1992 GMC Yukon 1993 GMC Yukon 1994 GMC Yukon 1995 GMC Yukon 1987 Chevrolet Blazer 1989 Chevrolet Blazer 1990 Chevrolet Blazer 1991 Chevrolet Blazer 1988 Chevrolet Blazer 1987 Chevrolet V10 Suburban 1988 Chevrolet V10 Suburban 1987 GMC V1500 Suburban 1988 GMC V1500 Suburban 1989 GMC V1500 Suburban 1990 GMC V1500 Suburban 1991 GMC V1500 Suburban 1987 Chevrolet R10 Suburban 1988 Chevrolet R10 Suburban 1994 Chevrolet Blazer 1992 Chevrolet Blazer 1993 Chevrolet Blazer 1991 Chevrolet C3500HD 1991 GMC C3500HD 1992 Chevrolet C3500HD 1992 GMC C3500HD 1993 Chevrolet C3500HD 1993 GMC C3500HD 1994 Chevrolet C3500HD 1994 GMC C3500HD 1995 Chevrolet C3500HD 1995 GMC C3500HD 1987 Chevrolet R20 Suburban 1988 Chevrolet R20 Suburban 1987 Chevrolet V20 Suburban 1988 Chevrolet V20 Suburban 1987 GMC Jimmy 1988 GMC Jimmy 1989 GMC Jimmy 1990 GMC Jimmy 1991 GMC Jimmy 1987 Chevrolet G10 1987 Chevrolet G20 1987 Chevrolet G30 1987 GMC G1500 1987 GMC G2500 1987 GMC G3500 1988 GMC G3500 1987 GMC P2500 1987 GMC P3500 1967 GMC G15/G1500 Van 1967 GMC G25/G2500 Van 1967 GMC P35/P3500 Van 1988 Chevrolet Corvette 1987 Chevrolet Corvette 1989 Chevrolet Corvette 1990 Chevrolet Corvette 1991 Chevrolet Corvette 1987 Chevrolet Caprice 1988 Chevrolet Caprice 1988 Chevrolet G10 1988 Chevrolet G20 1988 GMC G1500 1988 GMC G2500 1989 Chevrolet G10 1990 Chevrolet G10 1991 Chevrolet G10 1992 Chevrolet G10 1993 Chevrolet G10 1989 Chevrolet G20 1990 Chevrolet G20 1991 Chevrolet G20 1992 Chevrolet G20 1993 Chevrolet G20 1994 Chevrolet G20 1995 Chevrolet G20 1989 GMC G1500 1990 GMC G1500 1991 GMC G1500 1992 GMC G1500 1993 GMC G1500 1989 GMC G2500 1990 GMC G2500 1991 GMC G2500 1992 GMC G2500 1993 GMC G2500 1994 GMC G2500 1995 GMC G2500 1988 Chevrolet G30 1989 Chevrolet G30 1990 Chevrolet G30 1991 Chevrolet G30 1992 Chevrolet G30 1993 Chevrolet G30 1994 Chevrolet G30 1995 Chevrolet G30 1989 GMC G3500 1990 GMC G3500 1991 GMC G3500 1992 GMC G3500 1993 GMC G3500 1994 GMC G3500 1995 GMC G3500 1987 Chevrolet P20 1988 Chevrolet P20 1989 Chevrolet P20 1987 Chevrolet P30 1988 Chevrolet P30 1989 Chevrolet P30 1990 Chevrolet P30 1991 Chevrolet P30 1992 Chevrolet P30 1993 Chevrolet P30 1994 Chevrolet P30 1995 Chevrolet P30 1988 GMC P2500 1989 GMC P2500 1988 GMC P3500 1989 GMC P3500 1990 GMC P3500 1991 GMC P3500 1992 GMC P3500 1993 GMC P3500 1994 GMC P3500 1995 GMC P3500 1967 GMC P15/P1500 Van 1993 Chevrolet GP3500 1994 Chevrolet GP3500 1995 Chevrolet GP3500 1967 GMC P25/P2500 Van 1987 Excalibur Phaeton 1988 Excalibur Phaeton 1989 Excalibur Phaeton 1993 Excalibur Limited