- Consistent balance and precision machining
- Heat-treated 4140 material is harder and 114% stronger than stock
- S&S high-strength connecting rods are perfect for use with gear drive cams
- Available with either full width or tapered wristpin connecting rods
- Choose from 4 3/8?", 4 1/2?" or 4 5/8?" stroke, with or without balancer gear
- No welding required
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