These Grade 5 hex head bolts are black coated plated for protection and appearance. Hardened flat washers provide uniform torque & prevent galling on aluminum manifolds.
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For Idle to 5500 RPM Street-Driven Performance
Dual-Plane Low-Rise Intake w/180 deg. Firing Order
Patented Runner Design Ensures Broad Torque Curve
Excellent Throttle Response and Mid-Range Power
50-State Street Legal if Correct…