Federal Mogul 139M Speed-Pro Competition Main Bearing Set

The Federal Mogul 139M is a high-performance main bearing set from the Speed-Pro Competition Series, engineered specifically for Small Block Chevy applications including 262, 267, 302, 305, 307, 327, and 350 cubic inch engines. This complete bearing set includes 5 pieces designed to deliver exceptional durability and performance in demanding racing and street performance applications.

Key Features:

• H-14 Super Duty Alloy construction with high-strength AK1020 steel backing for superior load-carrying capacity
• Tri-metal design with three-quarter length oil groove enhances lubricity without compromising load capacity
• Patented contoured-flange design increases thrust-load capacity
• Proven competition heritage with victories in NHRA, NASCAR, and IHRA racing
• High durability, corrosion resistance, and increased fatigue strength
• Engineered to withstand punishing racing conditions and high-load applications

Federal Mogul's Sealed Power Speed-Pro bearings are built using materials and alloys specifically engineered for demanding performance applications. The H-14 overlay material bonded to high-strength steel backing provides unparalleled bearing durability in high-load racing engines, making these bearings an excellent choice for both street performance and all-out racing applications.