Engine Harmonic Balancer

PQx SFI-Rated Racing FluidGel Damper, 6.54 in. OD, Zero Balance For Aftermarket Cranks, Internal Balance, Black.

• SFI-18.1 Certified
• Easy to read laser engraved timing marks
• Manufactured from high grade billet carbon steel forgings
• Injected with silicone gel to combat engine harmonics
• Rated up to 12,500rpm

PQx SFI-Rated Racing FluidGel Damper, 6.54 in. OD, 28 Oz, Removable Hub, External Balance, Pulley Spacers May Be Required 1975-Up Engines, Black.

• SFI-18.1 Certified
• Easy to read laser engraved timing marks
• Manufactured from high grade billet carbon steel forgings
• Injected with silicone gel to combat engine harmonics
• Rated up to 12,500rpm

PQx SFI-Rated Racing FluidGel Damper, 6.54 in. OD, 50 Oz., Removable Hub, External Balance, Black.

• SFI-18.1 Certified
• Easy to read laser engraved timing marks
• Manufactured from high grade billet carbon steel forgings
• Injected with silicone gel to combat engine harmonics
• Rated up to 12,500rpm

PQx SFI-Rated Racing FluidGel Damper, 7.25 in. OD, Neutral Balance, Black.

• SFI-18.1 Certified
• Easy To Read Laser Engraved Timing Marks
• Manufactured from high grade billet carbon steel forgings
• Injected with silicone gel to combat engine harmonics
• Rated up to 12,500rpm

PQx SFI-Rated Racing FluidGel Damper, SFI Spec 18.1, Steel/Silicone Gel.

• SFI-18.1 Certified
• Easy to read laser engraved timing marks
• Manufactured from high grade billet carbon steel forgings
• Injected with silicone gel to combat engine harmonics
• Rated up to 12,500rpm

PQx SFI-Rated Racing FluidGel Damper, SFI Spec 18.1, Steel/Silicone Gel (Running Design Change), External Balance, 7.25 in. OD, Black.

• SFI-18.1 Certified
• Easy To Read Laser Engraved Timing Marks
• Manufactured from high grade billet carbon steel forgings
• Injected with silicone gel to combat engine harmonics
• Rated up to 12,500rpm

PQx SFI-Rated Racing FluidGel Damper, 6.25 in. OD, Internal Balance, Black.

• SFI-18.1 Certified
• Easy to read laser engraved timing marks
• Manufactured from high grade billet carbon steel forgings
• Injected with silicone gel to combat engine harmonics
• Rated up to 12,500rpm

PQx SFI-Rated Racing FluidGel Damper, 8.00 in. OD, External Balance, Black.

• SFI-18.1 Certified
• Easy To Read Laser Engraved Timing Marks
• Manufactured from high grade billet carbon steel forgings
• Injected with silicone gel to combat engine harmonics
• Rated up to 12,500rpm

PQx SFI-Rated Racing FluidGel Damper, 6.625 in. OD, Neutral Balance, Black, (Available While Supplies Last).

• SFI-18.1 Certified
• Easy To Read Laser Engraved Timing Marks
• Manufactured from high grade billet carbon steel forgings
• Injected with silicone gel to combat engine harmonics
• Rated up to 12,500rpm

PQx SFI-Rated Racing FluidGel Damper, 7.25 in. OD, Neutral Balance, 4 Bolt Pulley, Keyway Matching May Be Required For OEM/Aftermarket Cranks, Black.

• SFI-18.1 Certified
• Easy To Read Laser Engraved Timing Marks
• Manufactured from high grade billet carbon steel forgings
• Injected with silicone gel to combat engine harmonics
• Rated up to 12,500rpm

PQx SFI-Rated Racing FluidGel Serpentine Pulley Damper, 138mm, OEM Std Drive, Black.

• SFI-18.1 Certified
• Easy to read laser engraved timing marks
• Manufactured from high grade billet carbon steel forgings
• Injected with silicone gel to combat engine harmonics
• Rated up to 12,500rpm

PQx SFI-Rated Racing FluidGel Serpentine Pulley Damper, 8.7 Percent UnderDrive, 127mm, Black.

• SFI-18.1 Certified
• Easy to read laser engraved timing marks
• Manufactured from high grade billet carbon steel forgings
• Injected with silicone gel to combat engine harmonics
• Rated up to 12,500rpm

PQx SFI-Rated Racing FluidGel Serpentine Pulley Damper, 138mm, OEM Std Drive, Black.

• SFI-18.1 Certified
• Easy to read laser engraved timing marks
• Manufactured from high grade billet carbon steel forgings
• Injected with silicone gel to combat engine harmonics
• Rated up to 12,500rpm

PQx SFI-Rated Racing FluidGel Serpentine Pulley Damper, 25 Percent UnderDrive, Black, (Available While Supplies Last).

• SFI-18.1 Certified
• Easy to read laser engraved timing marks
• Manufactured from high grade billet carbon steel forgings
• Injected with silicone gel to combat engine harmonics
• Rated up to 12,500rpm

PQx SFI-Rated Racing FluidGel Serpentine Pulley Damper, SFI Spec 18.1, Steel/Silicone Gel, Underdrive, Black.

• SFI-18.1 Certified
• Easy to read laser engraved timing marks
• Manufactured from high grade billet carbon steel forgings
• Injected with silicone gel to combat engine harmonics
• Rated up to 12,500rpm

PQx SFI-Rated Racing Steel Damper, SFI Spec 18.1, Steel/Elastomer, Zero Internal Balance, 5.60 in. OD, Black, (Available While Supplies Last).

• Meets SFI 18.1 Specification
• Easy To Read Laser Engraved Timing Marks
• Accurate crank bore for a proper pressed fit
• Manufactured From Billet Carbon Steel Forgings
• Injected with elastomer between the inner hub and outer ring
• Available in black epoxy or polished steel and epoxy clear coat