Harmonic Dampers
Powerforce Street Dampers
Powerforce Street Dampers
Street Performance
Harmonic Balancers designed for maximum duty street use.
FACTORY DIMENSIONS
Powerforce+Plus Race Dampers
Powerforce+Plus Race Dampers
Race Performance + Street
Meets SFI Specifications for racing. Made of maximum strength 1045 steel.
SFI CERTIFIED SPECS
Restoration Dampers
Restoration Dampers
Street Performance + Power
Visually and mechanically identical to Original Equipment balancers. Dampers are factory color-matched with original timing marks.
OEM SPECS & DIMENSIONS
Professional Products Powerforce line of harmonic balancers are designed for maximum duty street use. Made of tough 65-45-12 nodular iron they are practically indestructible. The amount of elastomer contact with the hub and inertia ring has been increased to keep the ring from coming off. They are made to factory dimensions so they are a direct interchangeable fit. TDC and timing marks are permanently engraved.
Professional Products Powerforce+Plus line of harmonic balancers meet SFI Specifications which allows them to be used in organized racing events. Made of maximum strength 1045 steel, these are the ultimate in a racing balancer. These balancers are designed so that if an unlikely failure allows the inertia ring to come loose, it is captured onto the hub and cannot fly off. This is the ultimate racing damper but can also be used on street applications.
Professional Products' Restoration Balancers provides enthusiasts who are restoring older model vehicles with a very cost-effective balancer that is visually and mechanically identical to the Original Equipment balancer. The dimensions and timing marks are the same. They are factory color matched to the original equipment balancer.
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8" BB Chevy 454/502 Damper 7.25" Externally Balanced Chrysler/Dodge/Plymouth 360 Restoration Damper 
7.25" Externally Balanced Chrysler/Dodge/Plymouth 360 Restoration Damper
$49.99 USD6.5" Olds V8 350/400/403/425/455 Race Damper 6.9" Pontiac V8 326/350/389/400/421/428/455 1961-79 Race Damper 6.4" Early SB Ford 28.4 oz. Harmonic Race Damper 
Sale6.4" Early SB Ford 28.4 oz. Harmonic Race Damper
Regular price $276.88 USD Sale price $206.33 USD6.4" Early SB Ford 28.4 oz. Harmonic Race Damper
Sale price $206.33 USD Regular price $276.88 USDMORE INFO8" Internally Balanced BB Chevy 396/427 Race Damper 
8" Internally Balanced BB Chevy 396/427 Race Damper
$213.19 USD6.80" Internally Balanced 1968-'79 Pontiac (350/400/455) & 1975 Buick & Olds (400) Restoration Damper 
6.80" Internally Balanced 1968-'79 Pontiac (350/400/455) & 1975 Buick & Olds (400) Restoration Damper
$65.95 USD6.80" Internally Balanced 1968-'79 Pontiac (350/400/455) & 1975 Buick & Olds (400) Restoration Damper
$65.95 USDMORE INFO7" Internally Balanced GM 1968-75 396/402/427 Restoration Damper Steel Damper Spacer for Supercharged 5.0L 
SaleSteel Damper Spacer for Supercharged 5.0L
Regular price $49.95 USD Sale price $14.95 USD8" SBC 400 Race Damper 426 HEMI Adapter Spacer 
Sale426 HEMI Adapter Spacer
Regular price $28.00 USD Sale price $26.55 USD6.75" Externally Balanced SBC 400 Race Damper 
6.75" Externally Balanced SBC 400 Race Damper
$182.16 USD6.9" Pontiac V8 326/350/389/400/421/428/455 1961-79 Harmonic Damper 6.54" Internally Balanced Ford Restoration Damper 
6.54" Internally Balanced Ford Restoration Damper
$59.99 USDAMC V8 Powerforce+ Harmonic Race Damper 
AMC V8 Powerforce+ Harmonic Race Damper
$215.99 USD6.54" Externally Balanced 1969-'81 Ford & Mercury, 1977 Lincoln (351W/351C) Restoration Damper 
6.54" Externally Balanced 1969-'81 Ford & Mercury, 1977 Lincoln (351W/351C) Restoration Damper
$69.99 USD6.54" Externally Balanced 1969-'81 Ford & Mercury, 1977 Lincoln (351W/351C) Restoration Damper
$69.99 USDMORE INFO8" Internally Balanced GM 1973-96 Chevy, 1968-'71 Chevy & 1972-'96 GMC 350 Restoration Damper 
8" Internally Balanced GM 1973-96 Chevy, 1968-'71 Chevy & 1972-'96 GMC 350 Restoration Damper
$59.99 USD8" Internally Balanced GM 1973-96 Chevy, 1968-'71 Chevy & 1972-'96 GMC 350 Restoration Damper
$59.99 USDMORE INFO6.75" Internally Balanced GM 1969-98 Restoration Damper 
6.75" Internally Balanced GM 1969-98 Restoration Damper
$40.00 USD6.12” Internally Balanced GM 1955-76 Chevy, 1967-73 GMC, 1971-72 Pontiac 283/307/327/348 Restoration Damper - 85000 6.7” GM Truck/SUV 4.8L/5.3L & 6.0L/6.2L 1999-2019 Street Damper 
Sale6.7” GM Truck/SUV 4.8L/5.3L & 6.0L/6.2L 1999-2019 Street Damper
Regular price $139.95 USD Sale price $49.99 USD6.7” GM Truck/SUV 4.8L/5.3L & 6.0L/6.2L 1999-2019 Street Damper
Sale price $49.99 USD Regular price $139.95 USDMORE INFO7.5” LS1/LS2/LS6 GM Race Damper
