6.4" Damper for Early Small Block Ford (28.4 oz. in.)
Part #: 90006
List Price: $343.98
Our Price: $171.99
You Save: $171.99
6.4" Damper for Early Small Block Ford (28.4 oz. in.) Professional Products SB Ford dampers are the most universal dampers made. Featuring three sets of timing marks and both 3 and 4-bolt accessory pulley patterns, these dampers will fit every SB Ford engine. The early style harmonic damper fits all 1980 and earlier 289/302/351W/351C/351M/400 engines which utilize the 28.4 oz. in. c'weight. The bolt-in weight can be removed if required.
PowerForce+Plus Race Dampers are made from bulletproof 1045 steel. These dampers are designed to be installed on race engines that may rev over 10,000 rpm. Optimum damping occurs in the 6500 to 7500 rpm range. The machine work on these dampers is second to none and the critical fit tolerances and balance are held more closely than OEM. All externally balanced dampers feature bolt-in counterweights. This feature allows for swapping weights between dampers (Ford) or adding them to internal balanced dampers (Chevy) if you change applications. The basic damper in any family is the same with either a different counterweight (Ford) or an added counterweight (Chevy). This provides an unlimited amount of flexibility. Plus, you can't buy a more accurately balanced damper.
Spacer's? 3 or 4 bolt? How to determine Which one? Special Application Information
What is Bonding?When dampers are bonded, what does this mean? It means that the elastomer (rubber) that is sandwiched between the ring and the hub is bonded, or vulcanized, to metal. This is similar to the process used to bond the metal motor mounts to the rubber vibration isolaters used in these mounts. This greatly increases the safety of the damper as most stock, and many inexpensive aftermarket dampers, are just pressed together and under heavy duty applications, the ring can rotate, moving your TDC mark from the true position, or fly off the engine. And that is very bad!
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