Looking for aftermarket parts to modify or upgrade your GMC C25 with bearings? At Tunersports.com we carry a huge selection of the top name brand performance bearing parts and accessories.

OUT OF STOCK SH718SClevite Chevrolet Pass & Trk 250 292 6 Cyl 1971-90 Camshaft Bearing Set 1975-1978 GMC C25 Base / High Sierra / Sierra Classic / Sierra Grande $61.79 |

IN STOCK - DROPSHIPS CB1853A10(6)Carrying on a tradition of durability and dependability, Clevite BiMetal (aluminum) engine bearings feature 100% lead-free aluminum silicon. Engineered with 60% more silicon than comparable competitive replacements, they provide better conditioning of journal surfaces. This results in greater seiz... Clevite Chevrolet 4 6 8 112-121-122-134-153-194-230-250-265-283-302-327 1955-02 Con Rod Bearing Set 1977-1978 GMC C25 Base / High Sierra / Sierra Classic / Sierra Grande $58.87 |
SHIPS FROM MANUFACTURER CB1853A20(6)Carrying on a tradition of durability and dependability, Clevite BiMetal (aluminum) engine bearings feature 100% lead-free aluminum silicon. Engineered with 60% more silicon than comparable competitive replacements, they provide better conditioning of journal surfaces. This results in greater seiz... Clevite Chevrolet 6 181-197 Con Rod Bearing Set 1977-1978 GMC C25 Base / High Sierra / Sierra Classic / Sierra Grande $56.20 |
SHIPS FROM MANUFACTURER CB1853A30(6)Carrying on a tradition of durability and dependability, Clevite BiMetal (aluminum) engine bearings feature 100% lead-free aluminum silicon. Engineered with 60% more silicon than comparable competitive replacements, they provide better conditioning of journal surfaces. This results in greater seiz... Clevite Chevrolet 6 181-197 Con Rod Bearing Set 1977-1978 GMC C25 Base / High Sierra / Sierra Classic / Sierra Grande $56.20 |
IN STOCK - DROPSHIPS CB745A(6)Carrying on a tradition of durability and dependability, Clevite BiMetal (aluminum) engine bearings feature 100% lead-free aluminum silicon. Engineered with 60% more silicon than comparable competitive replacements, they provide better conditioning of journal surfaces. This results in greater seiz... Clevite Chevrolet 4 6 8 112-121-122-134-153-194-230-250-265-283-302-327 1955-02 Con Rod Bearing Set 1977-1978 GMC C25 Base / High Sierra / Sierra Classic / Sierra Grande $49.84 |
IN STOCK - DROPSHIPS CB745A10(6)Carrying on a tradition of durability and dependability, Clevite BiMetal (aluminum) engine bearings feature 100% lead-free aluminum silicon. Engineered with 60% more silicon than comparable competitive replacements, they provide better conditioning of journal surfaces. This results in greater seiz... Clevite Chevrolet 4 6 8 112-121-122-134-153-194-230-250-265-283-302-327 1955-02 Con Rod Bearing Set 1977-1978 GMC C25 Base / High Sierra / Sierra Classic / Sierra Grande $50.38 |
IN STOCK - DROPSHIPS CB745A20(6)Carrying on a tradition of durability and dependability, Clevite BiMetal (aluminum) engine bearings feature 100% lead-free aluminum silicon. Engineered with 60% more silicon than comparable competitive replacements, they provide better conditioning of journal surfaces. This results in greater seiz... Clevite Chevrolet 4 6 8 112-121-122-134-153-194-230-250-265-283-302-327 1955-02 Con Rod Bearing Set 1977-1978 GMC C25 Base / High Sierra / Sierra Classic / Sierra Grande $50.38 |
IN STOCK - DROPSHIPS CB745A30(6)Carrying on a tradition of durability and dependability, Clevite BiMetal (aluminum) engine bearings feature 100% lead-free aluminum silicon. Engineered with 60% more silicon than comparable competitive replacements, they provide better conditioning of journal surfaces. This results in greater seiz... Clevite GMC Pass & Trk 265 4.3L 283 302 327 Engs 1955-67 Con Rod Bearing Set 1977-1978 GMC C25 Base / High Sierra / Sierra Classic / Sierra Grande $50.72 |
SHIPS FROM MANUFACTURER CB745A40(6)Carrying on a tradition of durability and dependability, Clevite BiMetal (aluminum) engine bearings feature 100% lead-free aluminum silicon. Engineered with 60% more silicon than comparable competitive replacements, they provide better conditioning of journal surfaces. This results in greater seiz... Clevite Chevrolet 4 6 8 112-121-122-134-153-194-230-250-265-283-302-327 1955-02 Con Rod Bearing Set 1977-1978 GMC C25 Base / High Sierra / Sierra Classic / Sierra Grande $48.46 |
SHIPS FROM MANUFACTURER CB745P(6)Ideal for rebuilding engines where more demanding use is anticipated, such as heavy duty, motorsports, or street performance. As it is the most versatile replacement engine bearing, P-Series is suitable for most OE applications. Due to the increased load capacity of the TriMetal design, it is a suit... Clevite Chevy 6 194-230-250 1962-84 Con Rod Bearing Set 1977-1978 GMC C25 Base / High Sierra / Sierra Classic / Sierra Grande $83.59 |
SHIPS FROM MANUFACTURER CB745P10(6)Ideal for rebuilding engines where more demanding use is anticipated, such as heavy duty, motorsports, or street performance. As it is the most versatile replacement engine bearing, P-Series is suitable for most OE applications. Due to the increased load capacity of the TriMetal design, it is a suit... Clevite Chevy 6 194-230-250 1962-84 Con Rod Bearing Set 1977-1978 GMC C25 Base / High Sierra / Sierra Classic / Sierra Grande $76.77 |
SHIPS FROM MANUFACTURER CB745P20(6)Ideal for rebuilding engines where more demanding use is anticipated, such as heavy duty, motorsports, or street performance. As it is the most versatile replacement engine bearing, P-Series is suitable for most OE applications. Due to the increased load capacity of the TriMetal design, it is a suit... Clevite Chevy 6 194-230-250 1962-84 Con Rod Bearing Set 1977-1978 GMC C25 Base / High Sierra / Sierra Classic / Sierra Grande $72.94 |
SHIPS FROM MANUFACTURER CB745P30(6)Ideal for rebuilding engines where more demanding use is anticipated, such as heavy duty, motorsports, or street performance. As it is the most versatile replacement engine bearing, P-Series is suitable for most OE applications. Due to the increased load capacity of the TriMetal design, it is a suit... Clevite Chevy 6 194-230-250 1962-84 Con Rod Bearing Set 1977-1978 GMC C25 Base / High Sierra / Sierra Classic / Sierra Grande $83.96 |
SHIPS FROM MANUFACTURER CB745P40(6)Ideal for rebuilding engines where more demanding use is anticipated, such as heavy duty, motorsports, or street performance. As it is the most versatile replacement engine bearing, P-Series is suitable for most OE applications. Due to the increased load capacity of the TriMetal design, it is a suit... Clevite Chevy 6 194-230-250 1962-84 Con Rod Bearing Set 1977-1978 GMC C25 Base / High Sierra / Sierra Classic / Sierra Grande $89.28 |

IN STOCK - DROPSHIPS MS1038HClevite GMC Pass & Trk 400 6.6L 1970-80 Main Bearing Set 1976-1978 GMC C25 Base / High Sierra / Sierra Classic / Sierra Grande $128.87 |
OUT OF STOCK MS1038H1Clevite GMC Pass & Trk 400 6.6L 1970-80 Main Bearing Set 1976-1978 GMC C25 Base / High Sierra / Sierra Classic / Sierra Grande $123.33 |
OUT OF STOCK MS1038H10Clevite GMC Pass & Trk 400 6.6L 1970-80 Main Bearing Set 1976-1978 GMC C25 Base / High Sierra / Sierra Classic / Sierra Grande $140.68 |
IN STOCK - DROPSHIPS MS1038H9Clevite Chevrolet V8 400 1970-1980 Main Bearing Set 1976-1978 GMC C25 Base / High Sierra / Sierra Classic / Sierra Grande $114.75 |
OUT OF STOCK MS1038HCClevite 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 400 V8 1970-80 Main Bearing Set 1976-1978 GMC C25 Base / High Sierra / Sierra Classic / Sierra Grande $181.03 |
IN STOCK - DROPSHIPS MS1038HC10Clevite 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 400 6.6L 1970-80 Main Bearing Set 1976-1978 GMC C25 Base / High Sierra / Sierra Classic / Sierra Grande $176.09 |
IN STOCK - DROPSHIPS MS1038HXClevite Tri Armor GMC Pass & Trk 400 6.6L 1970-80 Main Bearing Set 1976-1978 GMC C25 Base / High Sierra / Sierra Classic / Sierra Grande $136.43 |
OUT OF STOCK MS1038HXCClevite 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 Chevy V8 400 1970-80 Main Bearing Set 1976-1978 GMC C25 Base / High Sierra / Sierra Classic / Sierra Grande $188.62 |
IN STOCK - DROPSHIPS MS1038PClevite Tri Armor GMC Pass & Trk 400 6.6L 1970-80 Main Bearing Set 1976-1978 GMC C25 Base / High Sierra / Sierra Classic / Sierra Grande $129.76 |
IN STOCK - DROPSHIPS MS1038P10Clevite Chevrolet Pass & Trk 400 V8 1970-80 Main Bearing Set 1976-1978 GMC C25 Base / High Sierra / Sierra Classic / Sierra Grande $126.10 |
OUT OF STOCK MS1038P20Clevite Main Bearing Set 1976-1978 GMC C25 Base / High Sierra / Sierra Classic / Sierra Grande $133.51 |