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

IN STOCK - DROPSHIPS SH21SClevite Int. Trk BD-220-240-264 Eng I H Tractor Camshaft Bearing Set 1952-1953 Mercury Custom Base $58.04 |

IN STOCK - DROPSHIPS CB15PIdeal 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 Tri-Metal design, it is a sui... Clevite Ford 239 255 V8 1948-53 Con Rod Bearing Set 1952-1953 Mercury Custom Base $62.58 |
OUT OF STOCK CB15P10Ideal 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 TriMetal design, ... Clevite Con Rod Bearing Set 1952-1953 Mercury Custom Base $61.02 |
IN STOCK - DROPSHIPS CB15P20Ideal 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 TriMetal design, ... Clevite Con Rod Bearing Set 1952-1953 Mercury Custom Base $63.27 |
IN STOCK - DROPSHIPS CB15P30Ideal 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 TriMetal design, ... Clevite Con Rod Bearing Set 1952-1953 Mercury Custom Base $56.27 |
IN STOCK - DROPSHIPS CB461PIdeal 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 Ford Pass & Trk 239 256 272 292 312 V8 1954-64 Con Rod Bearing Set 1954-1956 Mercury Custom Base $47.80 |
IN STOCK - DROPSHIPS CB461P10Ideal 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 Ford Prod V8 272-292-312 1954-64 Con Rod Bearing Set 1954-1956 Mercury Custom Base $49.28 |
IN STOCK - DROPSHIPS CB461P20Ideal 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 Ford Prod V8 272-292-312 1954-64 Con Rod Bearing Set 1954-1956 Mercury Custom Base $49.14 |

OUT OF STOCK MS109PClevite Ford Products V8 239-255 1948-53 Main Bearing Set 1952-1953 Mercury Custom Base $227.34 |
IN STOCK - DROPSHIPS MS109P10Clevite Ford Products V8 239-255 1948-53 Main Bearing Set 1952-1953 Mercury Custom Base $144.76 |
IN STOCK - DROPSHIPS MS109P20Clevite Ford Products V8 239-255 1948-53 Main Bearing Set 1952-1953 Mercury Custom Base $139.25 |
IN STOCK - DROPSHIPS MS178P10Clevite Mazda 1324 1597 1840cc 1986-93 Main Bearing Set 1954-1955 Mercury Custom Base $185.74 |

IN STOCK - DROPSHIPS MB 583AMKing Engine Bearings Ford 239/256/272/292 Crankshaft Main Bearing Set 1954-1955 Mercury Custom Base $176.99 |
IN STOCK - DROPSHIPS MB 583AM 010King Engine Bearings Ford 239/256/272/292 (Size .010) Crankshaft Main Bearing Set 1954-1955 Mercury Custom Base $176.99 |
IN STOCK - DROPSHIPS MB 583AM 020King Engine Bearings Ford 239/256/272/292 (Size .020) Crankshaft Main Bearing Set 1954-1955 Mercury Custom Base $176.99 |
IN STOCK - DROPSHIPS MB 583AM 030King Engine Bearings Ford 239/256/272/292 (Size .030) Crankshaft Main Bearing Set 1954-1955 Mercury Custom Base $176.99 |
OUT OF STOCK MB 583AM 040King Engine Bearings Ford 239/256/272/292 (Size .040) Crankshaft Main Bearing Set 1954-1955 Mercury Custom Base $176.99 |
OUT OF STOCK MB 583AM 050King Engine Bearings Ford 239/256/272/292 (Size .050) Crankshaft Main Bearing Set 1954-1955 Mercury Custom Base $176.99 |
OUT OF STOCK MB 583AM 060King Engine Bearings Ford 239/256/272/292 (Size .060) Crankshaft Main Bearing Set 1954-1955 Mercury Custom Base $176.99 |

SHIPS FROM MANUFACTURER CR810AMKing Engine Bearings Ford 239/256/272/292/312 Engine Rod Bearings 1954-1956 Mercury Custom Base $162.61 |
SHIPS FROM MANUFACTURER CR810AM010King Engine Bearings Ford 239/256/272/292/312 (Size 010) Engine Rod Bearings 1954-1956 Mercury Custom Base $154.91 |
SHIPS FROM MANUFACTURER CR810AM020King Engine Bearings Ford 239/256/272/292/312 (Size 020) Engine Rod Bearings 1954-1956 Mercury Custom Base $162.61 |
SHIPS FROM MANUFACTURER CR810AM030King Engine Bearings Ford 239/256/272/292/312 (Size 030) Engine Rod Bearings 1954-1956 Mercury Custom Base $162.61 |
SHIPS FROM MANUFACTURER CR810AM040King Engine Bearings Ford 239/256/272/292/312 (Size 040) Engine Rod Bearings 1954-1956 Mercury Custom Base $162.61 |