12 Point 7/16" 1900-2000 Connecting Rod Bolts (16 Pcs) Featuring a low profile design

Featuring a low profile design and a high flow runner design these manifolds will improve performance from 1500-6500 RPM range

and work with stock components

heat-treated to the highest Rockwell hardness available

This crank support system is a must have for all small block chevy racers with a supercharger

with large radii on all journals for superior wear resistance

12 Point 7/16" 1900-2000 Connecting Rod Bolts (16 Pcs) Featuring a low profile designSpeedmaster connecting rod bolts are precision CNC machined to exacting specifications and designed for optimum reliability. They are heat treated and threads are rolled to provide up to ten times more fatigue strength. This makes them far superior to standard OEM fasteners in terms of durability, and fully capable of handling the extra stress of high combustion engines.