Looking for aftermarket parts to modify or upgrade your Avanti II with bearings? At Tunersports.com we carry a huge selection of the top name brand performance bearing parts and accessories.

IN STOCK CB663HNCClevite GMC Pass. & Trk. 262/267/302/305/307/327/350/400 Connecting Rod Bearing Set - Tri Armor 1980-1985 Avanti II Base 1985-1985 Avanti II GT 1987-1990 Avanti II Base $49.97 |
OUT OF STOCK CB663HNC1Clevite Tri Armor GMC Pass & Trk 262/267/302/305/307/327/350 Con Rod Bearing Set 1980-1985 Avanti II Base 1985-1985 Avanti II GT 1987-1990 Avanti II Base $49.38 |
OUT OF STOCK CB663HNC10Clevite H-Series performance bearings have a medium level of eccentricity, high crush, and a hardened steel back and thin overlay. These bearings are made without flash plating for better seating. Use H-Series bearings with crankshafts that have oversize fillets and where engines run in the medium... Clevite Tri Armor GMC Pass & Trk 262/267/302/305/307/327/350 Con Rod Bearing Set 1980-1985 Avanti II Base 1985-1985 Avanti II GT 1987-1990 Avanti II Base $54.35 |
IN STOCK - DROPSHIPS CB663HNC20Clevite H-Series performance bearings have a medium level of eccentricity, high crush, and a hardened steel back and thin overlay. These bearings are made without flash plating for better seating. Use H-Series bearings with crankshafts that have oversize fillets and where engines run in the medium... Clevite Tri Armor GM Pass & Trk 262/267/302/305(5.0L)/307(5.0L)/327/350(5.7L)/400 Con Rod Bear Set 1980-1985 Avanti II Base 1985-1985 Avanti II GT 1987-1990 Avanti II Base $47.21 |
OUT OF STOCK CB663HNDCClevite Tri Armor GMC Pass & Trk 262/267/302/305/307/327/350 Con Rod Bearing Set 1980-1985 Avanti II Base 1985-1985 Avanti II GT 1987-1990 Avanti II Base $47.16 |
OUT OF STOCK CB663HNDC10Clevite H-Series performance bearings have a medium level of eccentricity, high crush, and a hardened steel back and thin overlay. These bearings are made without flash plating for better seating. Use H-Series bearings with crankshafts that have oversize fillets and where engines run in the medium... Clevite Tri Armor GMC Pass & Trk 262/267/302/305/307/327/350 Con Rod Bearing Set 1980-1985 Avanti II Base 1985-1985 Avanti II GT 1987-1990 Avanti II Base $57.86 |
IN STOCK CB663HXNCClevite H-Series performance bearings have a medium level of eccentricity, high crush, and a hardened steel back and thin overlay. These bearings are made without flash plating for better seating. Use H-Series bearings with crankshafts that have oversize fillets and where engines run in the medium... Clevite Tri Armor GMC Pass & Trk 262/267/302/305/307/327/350/400 Con Rod Bearing Set 1980-1985 Avanti II Base 1985-1985 Avanti II GT 1987-1990 Avanti II Base $46.29 |
IN STOCK CB663HXNDCClevite H-Series performance bearings have a medium level of eccentricity, high crush, and a hardened steel back and thin overlay. These bearings are made without flash plating for better seating. Use H-Series bearings with crankshafts that have oversize fillets and where engines run in the medium... Clevite Con Rod Bearing Set 1980-1985 Avanti II Base 1985-1985 Avanti II GT 1987-1990 Avanti II Base $48.10 |
IN STOCK - DROPSHIPS CB663P2Ideal for rebuilding engines where more demanding use is anticipated, such as heavy duty, motorsports, or street performance. As it is the most versatile replacement, Clevite engine bearing P-Series is suitable for most OE applications. Due to the increased load capacity of the Tri-Metal design, it ... Clevite Chevy V8 305-350-400 1967-95 Con Rod Bearing Set 1980-1985 Avanti II Base 1985-1985 Avanti II GT 1987-1990 Avanti II Base $40.14 |
IN STOCK - LOW CB663P20Ideal for rebuilding engines where more demanding use is anticipated, such as heavy duty, motorsports, or street performance. As it is the most versatile replacement, Clevite engine bearing P-Series is suitable for most OE applications. Due to the increased load capacity of the Tri-Metal design, it ... Clevite Chevy V8 305-350-400 1967-95 Con Rod Bearing Set 1980-1985 Avanti II Base 1985-1985 Avanti II GT 1987-1990 Avanti II Base $35.06 |
IN STOCK - DROPSHIPS CB663P30Ideal for rebuilding engines where more demanding use is anticipated, such as heavy duty, motorsports, or street performance. As it is the most versatile replacement, Clevite engine bearing P-Series is suitable for most OE applications. Due to the increased load capacity of the Tri-Metal design, it ... Clevite Chevy V8 305-350-400 1967-95 Con Rod Bearing Set 1980-1985 Avanti II Base 1985-1985 Avanti II GT 1987-1990 Avanti II Base $45.46 |

IN STOCK - DROPSHIPS MS909HCClevite H-Series performance bearings have a medium level of eccentricity, high crush, and a hardened steel back and thin overlay. These bearings are made without flash plating for better seating. Use H-Series bearings with crankshafts that have oversize fillets and where engines run in the medium... Clevite Chevrolet Pass & Trk 262 267 302 305 307 327 350 V8 1967-94 Main Bearing Set 1980-1985 Avanti II Base 1985-1985 Avanti II GT 1987-1990 Avanti II Base $171.46 |
OUT OF STOCK MS909HC1Clevite H-Series performance bearings have a medium level of eccentricity, high crush, and a hardened steel back and thin overlay. These bearings are made without flash plating for better seating. Use H-Series bearings with crankshafts that have oversize fillets and where engines run in the medium... Clevite Tri Armor GMC Pass & Trk 366/396/402/427/454 Main Bearing Set 1980-1985 Avanti II Base 1985-1985 Avanti II GT 1987-1990 Avanti II Base $134.92 |
OUT OF STOCK MS909HC10Clevite H-Series performance bearings have a medium level of eccentricity, high crush, and a hardened steel back and thin overlay. These bearings are made without flash plating for better seating. Use H-Series bearings with crankshafts that have oversize fillets and where engines run in the medium... Clevite Tri Armor GMC Pass & Trk 366/396/402/427/454 Main Bearing Set 1980-1985 Avanti II Base 1985-1985 Avanti II GT 1987-1990 Avanti II Base $188.02 |
OUT OF STOCK MS909HXCClevite H-Series performance bearings have a medium level of eccentricity, high crush, and a hardened steel back and thin overlay. These bearings are made without flash plating for better seating. Use H-Series bearings with crankshafts that have oversize fillets and where engines run in the medium... Clevite Chevrolet Pass & Trk 262 267 302 305 307 327 350 V8 1967-94 Main Bearing Set 1980-1985 Avanti II Base 1985-1985 Avanti II GT 1987-1990 Avanti II Base $179.26 |

IN STOCK - DROPSHIPS CS5171BBKing Engine Bearings 06-13 GM LS .775in Wide Cam Bearing Set 2001-2004 Avanti II Base $69.85 |
OUT OF STOCK CS5171HPKing Engine Bearings 06-13 GM LS .775in Wide Performance Cam Bearing Set 2001-2004 Avanti II Base $105.14 |
IN STOCK CS5171HPTKing Engine Bearings 06-13 GM LS .775in Wide Performance Coated Cam Bearing Set 2001-2004 Avanti II Base $198.61 |
OUT OF STOCK CS5172HPKing Engine Bearings Dart LS Next Block Performance Cam Bearing Set 2001-2004 Avanti II Base $138.58 |
IN STOCK - DROPSHIPS CS5172HPTKing Engine Bearings Dart LS Next Block Performance Coated Cam Bearing Set 2001-2004 Avanti II Base $300.50 |
OUT OF STOCK CS5503BBKing Engine Bearings High Performance Cam Bearing Set - Coated 2001-2004 Avanti II Base $63.36 |
IN STOCK CS5503HPTKing Engine Bearings High Performance Cam Bearing Set - Coated 2001-2004 Avanti II Base $167.59 |

SHIPS FROM MANUFACTURER MB5013HP001King Engine Bearings G.M.C. (Mark III) 5.7L (Size 001) Main Bearing Set 2001-2004 Avanti II Base $189.73 |
IN STOCK - DROPSHIPS MB5013HPSTDXKing Engine Bearings GMC LS1 / LS6 / LS3 (Size STDX) Bi-Metal Performance Main Bearing Set 2001-2004 Avanti II Base $169.02 |
SHIPS FROM MANUFACTURER MB509HP011Optional to MB 509SI (Race bearings, Bi-metal Alecular)... King Engine Bearings Chevrolet 400 V8 Crankshaft Main Bearings 1973-1976 Avanti II Base $123.81 |