Looking for aftermarket parts to modify or upgrade your 1970 Mercury Cyclone with bearings? At Tunersports.com we carry a huge selection of the top name brand performance bearing parts and accessories.

IN STOCK - DROPSHIPS MS1039H10Clevite Ford Pass & Trk 370 429 460 H/P V8 1968-94 Main Bearing Set 1970-1971 Mercury Cyclone Base / GT / Spoiler $143.31 |
OUT OF STOCK MS1039HXClevite Ford Pass & Trk 370 429 460 V8 1968-94 Main Bearing Set 1970-1971 Mercury Cyclone Base / GT / Spoiler $143.03 |
IN STOCK - DROPSHIPS MS1039PClevite 370/429/460 Ford Main Set Main Bearing Set 1970-1971 Mercury Cyclone Base / GT / Spoiler $66.14 |
$137.90 |
$114.58 |
$106.76 |
IN STOCK - DROPSHIPS MS1039VClevite Ford Products V8 370-429-460 1968-98 Main Bearing Set 1970-1971 Mercury Cyclone Base / GT / Spoiler $181.63 |
IN STOCK - DROPSHIPS MS1039V10Clevite Ford Products V8 370-429-460 1968-98 Main Bearing Set 1970-1971 Mercury Cyclone Base / GT / Spoiler $157.55 |

OUT OF STOCK 3122TBWear plates are moly coated. Eliminate wear at front of block. Unique designs help set proper Cam thrust clearance.... COMP Cams Thrust Bearing Ford 351C 429 1970-1971 Mercury Cyclone Base / GT / Spoiler $179.42 |

OUT OF STOCK MB5503AMKing Engine Bearings Ford V8 351ci 5.8L 16v Crankshaft Main Bearing Set (Set of 5) 1969-1971 Mercury Cyclone Base / Spoiler 1970-1971 Mercury Cyclone GT $89.38 |
SHIPS FROM MANUFACTURER MB5503HPSTDXKing Engine Bearings Ford V8 351Ci 5.8L 16V - Cleveland (Size STDX) Main Bearing Set 1969-1971 Mercury Cyclone Base / Spoiler 1970-1971 Mercury Cyclone GT $146.58 |
SHIPS FROM MANUFACTURER MB5503XP001King Engine Bearings Ford 351ci Cleveland V8 (Size 001) Tri-Metal Performance Main Bearing Set 1969-1971 Mercury Cyclone Base / Spoiler 1970-1971 Mercury Cyclone GT $144.82 |
SHIPS FROM MANUFACTURER MB5503XPSTDXKing Engine Bearings Ford V8 351ci 5.8L 16v Cleveland Crankshaft Main Bearing Set (Set of 5) 1969-1971 Mercury Cyclone Base / Spoiler 1970-1971 Mercury Cyclone GT $141.77 |
OUT OF STOCK MB5505SIKing Engine Bearings Ford 351ci/400ci 16V Main Bearing Set - Set Of 10 1969-1971 Mercury Cyclone Base / Spoiler 1970-1971 Mercury Cyclone GT $68.81 |
SHIPS FROM MANUFACTURER MB5505SI001King Engine Bearings Ford 351ci/400ci 16V Main Bearing Set (Size 001) - Set Of 10 1969-1971 Mercury Cyclone Base / Spoiler 1970-1971 Mercury Cyclone GT $70.76 |
SHIPS FROM MANUFACTURER MB5505SI010King Engine Bearings Ford 351ci/400ci 16V Main Bearing Set (Size 010) - Set Of 10 1969-1971 Mercury Cyclone Base / Spoiler 1970-1971 Mercury Cyclone GT $68.81 |
SHIPS FROM MANUFACTURER MB5505SI020King Engine Bearings Ford 351ci/400ci 16V Main Bearing Set (Size 020) - Set Of 10 1969-1971 Mercury Cyclone Base / Spoiler 1970-1971 Mercury Cyclone GT $68.81 |
SHIPS FROM MANUFACTURER MB5505SI030King Engine Bearings Ford 351ci/400ci 16V Main Bearing Set (Size 030) - Set Of 10 1969-1971 Mercury Cyclone Base / Spoiler 1970-1971 Mercury Cyclone GT $68.81 |
SHIPS FROM MANUFACTURER MB5505SI040King Engine Bearings Ford 351ci/400ci 16V Main Bearing Set (Size 040) - Set Of 10 1969-1971 Mercury Cyclone Base / Spoiler 1970-1971 Mercury Cyclone GT $70.76 |
SHIPS FROM MANUFACTURER MB5505SI050King Engine Bearings Ford 351ci/400ci 16V Main Bearing Set (Size 050) - Set Of 10 1969-1971 Mercury Cyclone Base / Spoiler 1970-1971 Mercury Cyclone GT $70.76 |
SHIPS FROM MANUFACTURER MB5505SI060King Engine Bearings Ford 351ci/400ci 16V Main Bearing Set (Size 060) - Set Of 10 1969-1971 Mercury Cyclone Base / Spoiler 1970-1971 Mercury Cyclone GT $70.76 |
SHIPS FROM MANUFACTURER MB559AM040King Engine Bearings Ford 330/352/360/390/410/428 Engine (Size 040) Main Bearing Set 1964-1970 Mercury Cyclone Base 1969-1970 Mercury Cyclone Spoiler 1970-1970 Mercury Cyclone GT $77.64 |
SHIPS FROM MANUFACTURER MB559AM050King Engine Bearings Ford 330/352/360/390/410/428 Engine (Size 050) Main Bearing Set 1964-1970 Mercury Cyclone Base 1969-1970 Mercury Cyclone Spoiler 1970-1970 Mercury Cyclone GT $77.64 |
SHIPS FROM MANUFACTURER MB559AM060King Engine Bearings Ford 330/352/360/390/410/428 Engine (Size 060) Main Bearing Set 1964-1970 Mercury Cyclone Base 1969-1970 Mercury Cyclone Spoiler 1970-1970 Mercury Cyclone GT $77.64 |
SHIPS FROM MANUFACTURER MB5650HP001King Engine Bearings Ford 370/429/460 16V OHV (Size .001) Crankshaft Main Bearing Set 1969-1971 Mercury Cyclone Base / Spoiler 1970-1971 Mercury Cyclone GT $135.69 |