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Pro/Race performance products were born from decades of championship drag racing experience. Featuring "all steel" construction, Pro/Race harmonic balancers outperform stock cast iron crankshaft dampers and are available in Ford and Chevy SFI-certified race, sport and high-performance street applications. 

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Pro Race 24266 Pro/Street 8 Inch SBC Harmonic Balancer
Pro Race Logo
Part # 91024266
$119.99
(4)

400, 8" Outside Diameter, Not SFI-approved SFI Rating

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Outside Diameter: 8"

SFI Rating: Not SFI-approved

Weight: 11.4 lbs.

Engine Balance: Internal/External

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Pro Race 24264 Pro/Street 8 Inch 454 BBC Harmonic Balancer
Pro Race Logo
Part # 91024264
$124.99
(7)

454, 8" Outside Diameter, Not SFI-approved SFI Rating

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Outside Diameter: 8"

SFI Rating: Not SFI-approved

Weight: 11.4 lbs.

Engine Balance: Internal/External

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Pro Race 34262 Pro/Sport 6.61 Inch SBC Harmonic Balancer
Pro Race Logo
Part # 91034262
$196.99

283, 302, 305, 307, 327, 350, 6.62" Outside Diameter

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Outside Diameter: 6.62"

SFI Rating: 18.1

Weight: 10.15 lbs.

Engine Balance: Internal

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Pro Race 21262 Pro/Street 6.1 Inch SBC Harmonic Balancer,Internal
Pro Race Logo
Part # 91021262
$89.99
(3)

283, 302, 305, 307, 327, 350, 6.1" Outside Diameter

Outside Diameter: 6.1"

Inside Diameter: 1.246"

SFI Rating: Not SFI-approved

Weight: 4.6 lbs.

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Pro Race 31262 Pro/Sport 6.1 Inch SBC Harmonic Balancer Int Balanced
Pro Race Logo
Part # 91041262
$164.99
(1)

283, 302, 305, 307, 327, 350, 6.1" Outside Diameter

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Outside Diameter: 6.1"

Thickness: 1.52"

SFI Rating: 18.1

Weight: 5.4 lbs.

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Pro Race 34269 Pro/Sport 6.61 Inch SBF Harmonic Balncer, External
Pro Race Logo
Part # 91044269
$169.99
(2)

289, 351C, 351M, 351W, 6.61" Outside Diameter

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Outside Diameter: 6.61"

SFI Rating: 18.1

Weight: 11.01 lbs.

Engine Balance: External

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Pro Race (6)
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Chevy Small Block V8 (4)
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10.15 lbs. (1)
5.4 lbs. (1)
4.6 lbs. (1)
Outside Diameter
8" (2)
6.1" (2)
6.62" (1)
6.61" (1)
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18.1 (3)
Not SFI-approved (3)
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Internal (3)
Internal/External (2)
External (1)
Inside Diameter
1.246" (1)

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