This new connecting rod set has been designed after the racing style H-beam rods long used in many types of racing. These rods are made from 4140H steel making them stronger than most aftermarket rods and by design 10% - 15% lighter. If you’re building a stock Big Twin or a performance engine reducing the reciprocating weight will increase horsepower and engine life. Available for all Big Twins 1941 thru 1999 using 7.44” long rods.

98-571 7.44” Rod set finished with crank pin, nuts and rod bearings with alloy cages and .792 pin bore. Fits Evolution® Big Twins 1984 & later.

98-572 7.44” Rod set finished with crank pin, nuts and rod bearings with alloy cages and .791 pin bore. Fits Big Twins 1941 thru 1980.

NOTE: On most OEM flywheel castings clearancing is required for rear rod to counter weight.

98-573 7.44” Bare rod set —unfinished ends, 0.7918” dia. wrist pin bore & 1.6256” dia. crank pin bore.

98-574 7.670” Bare rod set —unfinished ends 0.9273” dia. wrist pin bore & 2.1040” dia. crank pin bore.

98-575 7.700” Bare rod set (see 98-574).

98-578 8.000” Bare rod set (see 98-574).