<![CDATA[Cobra Automotive: New Products - SFI Approved Harmonic Balancers]]> https://store.cobraautomotive.com Fri, 17 Apr 2026 16:17:27 +0000 <![CDATA[Harmonic Balancer, Professional Products, Big Block Ford FE, with removable single groove pulley, 7.5", SFI]]> https://store.cobraautomotive.com/harmonic-balancer-professional-products-big-block-ford-fe-with-removable-single-groove-pulley-7-5-sfi/ Wed, 12 Mar 2014 19:44:45 +0000 https://store.cobraautomotive.com/harmonic-balancer-professional-products-big-block-ford-fe-with-removable-single-groove-pulley-7-5-sfi/ Pictured: ATI 289-302, zero balance, steel hub w/aluminum outer, early 289 timing location, for 3 bolt pulley, 6.325'' (Part # ATI-917660AK).

Harmonic balancers are extremely important to the performance and reliability of any high performance or competition engine.  Torsional vibrations will loosen or break bolts, allow main caps to move around on blocks and cause crankshafts to break.  Crank twist is detrim..

Price: $149.95

]]> Pictured: ATI 289-302, zero balance, steel hub w/aluminum outer, early 289 timing location, for 3 bolt pulley, 6.325'' (Part # ATI-917660AK).

Harmonic balancers are extremely important to the performance and reliability of any high performance or competition engine.  Torsional vibrations will loosen or break bolts, allow main caps to move around on blocks and cause crankshafts to break.  Crank twist is detrim..

Price: $149.95

]]> Harmonic balancers are extremely important to the performance and reliability of any high performance or competition engine.  Torsional vibrations will loosen or break bolts, allow main caps to move around on blocks and cause crankshafts to break.  Crank twist is detrim..]]> <![CDATA[Harmonic Balancer, Professional Products, 289-302, 1963-69, 28 oz. ext. balance, fits 3 or 4 bolt pulley, 6.4", SFI, removable counter weight for zero balance]]> https://store.cobraautomotive.com/harmonic-balancer-professional-products-289-302-1963-69-28-oz-ext-balance-fits-3-or-4-bolt-pulley-6-4-sfi-removable-counter-weight-for-zero-balance/ Wed, 12 Mar 2014 19:42:52 +0000 https://store.cobraautomotive.com/harmonic-balancer-professional-products-289-302-1963-69-28-oz-ext-balance-fits-3-or-4-bolt-pulley-6-4-sfi-removable-counter-weight-for-zero-balance/ Pictured: ATI 289-302, zero balance, steel hub w/aluminum outer, early 289 timing location, for 3 bolt pulley, 6.325'' (Part # ATI-917660AK).

Harmonic balancers are extremely important to the performance and reliability of any high performance or competition engine.  Torsional vibrations will loosen or break bolts, allow main caps to move around on blocks and cause crankshafts to break.  Crank twist is detrim..

Price: $255.00

]]> Pictured: ATI 289-302, zero balance, steel hub w/aluminum outer, early 289 timing location, for 3 bolt pulley, 6.325'' (Part # ATI-917660AK).

Harmonic balancers are extremely important to the performance and reliability of any high performance or competition engine.  Torsional vibrations will loosen or break bolts, allow main caps to move around on blocks and cause crankshafts to break.  Crank twist is detrim..

Price: $255.00

]]> Harmonic balancers are extremely important to the performance and reliability of any high performance or competition engine.  Torsional vibrations will loosen or break bolts, allow main caps to move around on blocks and cause crankshafts to break.  Crank twist is detrim..]]> <![CDATA[Harmonic Balancer, BHJ, 289-302, zero balance, steel, early 289 timing location, for 3 bolt pulley, 6.2'']]> https://store.cobraautomotive.com/harmonic-balancer-bhj-289-302-zero-balance-steel-early-289-timing-location-for-3-bolt-pulley-6-2/ Wed, 12 Mar 2014 19:40:39 +0000 https://store.cobraautomotive.com/harmonic-balancer-bhj-289-302-zero-balance-steel-early-289-timing-location-for-3-bolt-pulley-6-2/ Pictured: ATI 289-302, zero balance, steel hub w/aluminum outer, early 289 timing location, for 3 bolt pulley, 6.325'' (Part # ATI-917660AK).

Harmonic balancers are extremely important to the performance and reliability of any high performance or competition engine.  Torsional vibrations will loosen or break bolts, allow main caps to move around on blocks and cause crankshafts to break.  Crank twist is detrim..

Price: $667.63

]]> Pictured: ATI 289-302, zero balance, steel hub w/aluminum outer, early 289 timing location, for 3 bolt pulley, 6.325'' (Part # ATI-917660AK).

Harmonic balancers are extremely important to the performance and reliability of any high performance or competition engine.  Torsional vibrations will loosen or break bolts, allow main caps to move around on blocks and cause crankshafts to break.  Crank twist is detrim..

Price: $667.63

]]> Harmonic balancers are extremely important to the performance and reliability of any high performance or competition engine.  Torsional vibrations will loosen or break bolts, allow main caps to move around on blocks and cause crankshafts to break.  Crank twist is detrim..]]> <![CDATA[Harmonic Balancer, ATI, 289-302, zero balance, steel hub with aluminum outer, 3 ring, early 289 timing location, for 3 bolt pulley, 6.325'']]> https://store.cobraautomotive.com/harmonic-balancer-ati-289-302-zero-balance-steel-hub-with-aluminum-outer-3-ring-early-289-timing-location-for-3-bolt-pulley-6-325/ Wed, 12 Mar 2014 19:36:52 +0000 https://store.cobraautomotive.com/harmonic-balancer-ati-289-302-zero-balance-steel-hub-with-aluminum-outer-3-ring-early-289-timing-location-for-3-bolt-pulley-6-325/ ATI 289-302, zero balance, steel hub with aluminum outer, early 289 timing location, for 3 bolt pulley, 6.325''

Harmonic balancers are extremely important to the performance and reliability of any high performance or competition engine.  Torsional vibrations will loosen or break bolts, allow main caps to move around on blocks and cause crankshafts to break.  Crank twist is detrim..

Price: $505.95

]]> ATI 289-302, zero balance, steel hub with aluminum outer, early 289 timing location, for 3 bolt pulley, 6.325''

Harmonic balancers are extremely important to the performance and reliability of any high performance or competition engine.  Torsional vibrations will loosen or break bolts, allow main caps to move around on blocks and cause crankshafts to break.  Crank twist is detrim..

Price: $505.95

]]> Harmonic balancers are extremely important to the performance and reliability of any high performance or competition engine.  Torsional vibrations will loosen or break bolts, allow main caps to move around on blocks and cause crankshafts to break.  Crank twist is detrim..]]>