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Ships within 48 hours · Estimated delivery Aug 23 - Aug 28
Part Number: MSD89631
an ultra-responsive dual ball bearing system
Drag racing / dyno competition cars
Dual ceramic ball bearing system for rapid spool & durability
Conrod Bolt Set Exhaust Manifolds Part Number: MSD89631fits SB Chev Gen III IV LS Series (Except LS7 & LS9) "Cracked Cap Design" Hi Perf 8740 Part Number : AR134 6006 CONROD BOLT 8740 CHROME MOLY: Until the development of today's modern alloys, chrome moly was popularly considered a high strength material. Now viewed as only moderate strength, 8740 chrome moly is seen as a good tough steel, with adequate fatigue properties for most racing applications, but only if the threads are rolled after heat
