Assault Racing 6.4 Small Block Ford Harmonic Balancer Damper 50 oz SBF 302 351W. Assault Racing Products Harmonic Balancer. Small Block Ford V8 – Externally Balanced. 302 5.0L Late 1981- 1995. KMJ Performance is proud to sell the Assault Racing SB Ford Harmonic Balancer! Our SB Ford Dampers have more universal features than any other damper. All SB Ford models are made to the early short length of 3. This allows the use of a late 5.0L engine with a 50 oz. Damper to be used in an early chassis where front clearance is at a minimum. These Ford dampers also have three sets of timing marks and both 3 and 4-bolt accessory pulley bolt patterns. The plastic insert shown in the photos can be used to center 3-bolt pulleys with a female pilot, or it can be removed to accept 3-bolt pulleys with a male pilot. These dampers are very versatile and can be used on many different Ford engines. Notes: (1) Coverts to internal balance style by removing the bolt-in counterweight. If your order is sent in multiple boxes you will need to sign for each one. Domestic Customers Within the Lower 48 States. All international orders are sent to their warehouse in Kentucky, US, before being sent international. For further information on the program. Within the lower 48 states. All others will be additional. Some items are not combined due to size or weight such as crankshafts, torque converters, radiators, cylinder heads, etc. Powered by SixBit’s eCommerce Solution.