New pair of balancer/crank dowels. These dowels are commonly used when pinning the crankshaft and balancer, to prevent rotation of the balancer on the crank snout. These are for 1/4" pin kit fixtures. Sold as a pair (2 pins). For all LS engines with factory balancers requiring 1/4" pins. You must have a fixture to drill the holes for these pins (fixture not included)