Eagle "3-D" Featherweight H-Beam Forged 4340 Steel Connecting Rods - SB Chevy - 6.000" Large Journal +.300" - 545 Grams - 2.100" Crank Pin Diameter - .940" Big End Width - .927" Big End Bore - (Set of 8) H759001M The electric fan engages at

The electric fan engages at 190F degrees and switched off at 175F degrees

Engine movement (deflection) is wasted horsepower

1955-1959 GMC 300

Offers the maximum combination of overall flame and heat protection

1988-1990 GMC C5000

Eagle "3-D" Featherweight H-Beam Forged 4340 Steel Connecting Rods - SB Chevy - 6.000" Large Journal +.300" - 545 Grams - 2.100" Crank Pin Diameter - .940" Big End Width - .927" Big End Bore - (Set of 8) H759001M The electric fan engages atForged 4340 steel H Beam lightweight connecting rods are forged from a two piece forging and feature a fully machined and shot peened surface. Sizing is held to exact tolerances. Sold as a weight matched set. For restricted competition use Forged AISI ASME certified 4340 steel with multi stage heat treatment for improved strength Service: Eagle connecting rods and cranks are designed and manufactured to our specifications. Some simply purchase generic