Looking for aftermarket parts to modify or upgrade your 1978 GMC C25 Suburban 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 Suburban Base / High Sierra / Sierra Classic / Sierra Grande $61.79 |

IN STOCK - DROPSHIPS MS1038HClevite GMC Pass & Trk 400 6.6L 1970-80 Main Bearing Set 1978-1978 GMC C25 Suburban Base / High Sierra / Sierra Classic / Sierra Grande $128.87 |
OUT OF STOCK MS1038H1Clevite GMC Pass & Trk 400 6.6L 1970-80 Main Bearing Set 1978-1978 GMC C25 Suburban Base / High Sierra / Sierra Classic / Sierra Grande $123.33 |
OUT OF STOCK MS1038H10Clevite GMC Pass & Trk 400 6.6L 1970-80 Main Bearing Set 1978-1978 GMC C25 Suburban Base / High Sierra / Sierra Classic / Sierra Grande $140.68 |
IN STOCK - DROPSHIPS MS1038H9Clevite Chevrolet V8 400 1970-1980 Main Bearing Set 1978-1978 GMC C25 Suburban 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 1978-1978 GMC C25 Suburban 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 1978-1978 GMC C25 Suburban 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 1978-1978 GMC C25 Suburban 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 1978-1978 GMC C25 Suburban 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 1978-1978 GMC C25 Suburban Base / High Sierra / Sierra Classic / Sierra Grande $129.76 |
IN STOCK - DROPSHIPS MS1038P10Clevite Chevrolet Pass & Trk 400 V8 1970-80 Main Bearing Set 1978-1978 GMC C25 Suburban Base / High Sierra / Sierra Classic / Sierra Grande $126.10 |
OUT OF STOCK MS1038P20Clevite Main Bearing Set 1978-1978 GMC C25 Suburban Base / High Sierra / Sierra Classic / Sierra Grande $133.51 |
SHIPS FROM MANUFACTURER MS1038P30Clevite Main Bearing Set 1978-1978 GMC C25 Suburban Base / High Sierra / Sierra Classic / Sierra Grande $139.10 |
OUT OF STOCK MS1564PClevite Chevrolet Pass & Trk 400 H/P V8 1970-80 Main Bearing Set 1978-1978 GMC C25 Suburban Base / High Sierra / Sierra Classic / Sierra Grande $357.05 |

SHIPS FROM MANUFACTURER MB509HP011Optional to MB 509SI (Race bearings, Bi-metal Alecular)... King Engine Bearings Chevrolet 400 V8 Crankshaft Main Bearings 1978-1978 GMC C25 Suburban Base / High Sierra / Sierra Classic / Sierra Grande $123.81 |
SHIPS FROM MANUFACTURER MB509HP020King Engine Bearings Chevrolet 400 V8 Crankshaft Main Bearing Set (Set of 5) 1978-1978 GMC C25 Suburban Base / High Sierra / Sierra Classic / Sierra Grande $109.76 |
SHIPS FROM MANUFACTURER MB509HP021King Engine Bearings Chevrolet 400 V8 Crankshaft Main Bearing Set (Set of 5) 1978-1978 GMC C25 Suburban Base / High Sierra / Sierra Classic / Sierra Grande $123.81 |
SHIPS FROM MANUFACTURER MB509HPSTDXKing Engine Bearings Chevrolet 400 V8 (Size STDX) Main Bearing Set 1978-1978 GMC C25 Suburban Base / High Sierra / Sierra Classic / Sierra Grande $109.76 |
SHIPS FROM MANUFACTURER MB509SI040King Engine Bearings Chevrolet 400 Crankshaft Main Bearing Set (Set of 5) 1978-1978 GMC C25 Suburban Base / High Sierra / Sierra Classic / Sierra Grande $75.90 |
SHIPS FROM MANUFACTURER MB509XP001King Engine Bearings Chevrolet 400 V8 (Size +0.001) Main Bearing Set 1978-1978 GMC C25 Suburban Base / High Sierra / Sierra Classic / Sierra Grande $124.11 |
SHIPS FROM MANUFACTURER MB509XP030Optional to MB 509SI (Race bearings, Tri-metal pMax Black)... King Engine Bearings Chevrolet 400 V8 Main Crankshaft Bearing Set 1978-1978 GMC C25 Suburban Base / High Sierra / Sierra Classic / Sierra Grande $124.11 |
SHIPS FROM MANUFACTURER MB509XPSTDXKing Engine Bearings Chevrolet 400 V8 (Size STDX) Main Bearing Set 1978-1978 GMC C25 Suburban Base / High Sierra / Sierra Classic / Sierra Grande $115.39 |
OUT OF STOCK MB5224AMKing Engine Bearings General Motors 400CI 6.6L V8 OHV Crankshaft Main Bearing Set (Set of 5) 1978-1978 GMC C25 Suburban Base / High Sierra / Sierra Classic / Sierra Grande $164.65 |

SHIPS FROM MANUFACTURER MB509HPKing Engine Bearings Chevy 400ci 6.6L V8 Std Size 3/4 Groove Bi-Metal Performance Main Bearing Set 1978-1978 GMC C25 Suburban Base / High Sierra / Sierra Classic / Sierra Grande $109.76 |
SHIPS FROM MANUFACTURER MB509XPCSTDXKing Engine Bearings Chevrolet 400 V8 Coated Performance Rod Bearing Set 1978-1978 GMC C25 Suburban Base / High Sierra / Sierra Classic / Sierra Grande $175.01 |