LSXceleration LS Harmonic Balancer Bolt 22-57840 (Like GM # 12557840) For GM Gen III/IV 4.8L, 5.3L, 5.7L, 6.0L, 6.2L.  Will not fit LS7/LS9 w/ dry sump.

ARP GM LS Harmonic Balancer Bolt Kit 234-2503 For GM Gen III/IV 4.8L, 5.3L, 5.7L, 6.0L, 6.2L.  Will not fit LS7.

Chevrolet Performance Harmonic Balancer Bolt 12557840  For GM Gen III/IV 4.8L, 5.3L, 5.7L, 6.0L, 6.2L.  Will not fit LS7/LS9 w/ dry sump.

Build Your Own 4.000" Stroke Rotating Assembly Choose the parts to build the rotating assembly of your choice! All kits come standard with crankshaft, rods, pistons & rings, and bearings. You must select the balancing option to "yes" if you want...

Chevrolet Performance Harmonic Balancer Bolt 11570163  For GM LS7 Dry Sump  

Build Your Own 4.000" Stroke Rotating Assembly Choose the parts to build the rotating assembly of your choice! All kits come standard with crankshaft, rods, pistons & rings, and bearings. You must select the balancing option to "yes" if you want...

Build Your Own 4.000" Stroke Rotating Assembly for LS 5.3L Choose the parts to build the rotating assembly of your choice! All kits come standard with crankshaft, rods, pistons & rings, and bearings. You must select the balancing option to "yes" if...

Build Your Own 3.622" Stroke Rotating Assembly for LS3/L92 Choose the parts to build the rotating assembly of your choice! All kits come standard with crankshaft, rods, pistons & rings, and bearings. You must select the balancing option to...

Build Your Own 3.622" Stroke Rotating Assembly for LS 5.3L Choose the parts to build the rotating assembly of your choice! All kits come standard with crankshaft, rods, pistons & rings, and bearings. You must select the balancing option to...

Build Your Own 3.622" Stroke Rotating Assembly Choose the parts to build the rotating assembly of your choice! All kits come standard with crankshaft, rods, pistons & rings, and bearings. You must select the balancing option to "yes" if you want...