Pro-Race Sport Harmonic Balancer For Ford SVB V8 - 4.6L '96 & later 34271
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Features
Meets SFI Spec. 18.1.
Spin tested to 12,500 RPM.
Fully machined from high quality carbon steel.
Positively retained outer inertia ring.
60 degrees of permanently engraved timing
marks. (40 degrees on SB Ford models)
Pressure bonded elastomer. > 3000 lbs
separation force
Accurately balanced.
Removable counterweights on externally
balanced models.
PERFORMANCE
PRO/SPORT range of harmonic dampers are the ideal dampers for all Street Machines and Hot Rods and are available to suit most popular V8 engines. Not only do they look good but also meet the tough SFI Spec 18.1. PRO/SPORT dampers are made from high quality carbon steel, so these harmonic dampers are ready for the race track, performance or street applications.
DESIGN
The inertia ring is retained by a robust retention plate secured by six high tensile bolts to ensure maximum safety. The PRO/SPORT range features a bonded elastomer. The elastomer is injected at high temperature and under extreme pressure and is cured against a specially prepared surface on the inside of the ring and outside of the hub. The result is a bond similar to that of a motor mount which makes it almost impossible to separate the damper hub from the ring.
QUALITY
The PRO/SPORT range of harmonic dampers provide race quality performance dampers at near replacement part prices and is designed as a direct replacement of your OE damper. PRO/SPORT dampers have many features which exceed OE requirements and is manufactured to the quality standards you have come to expect from a specialist damper manufacturer. PRO/SPORT harmonic dampers are spin tested to 12,500 RPM for one hour to comply with the SFI Spec 18.1.
INSTALLATION
All PRO/SPORT harmonic dampers come with installation instructions to make installation a breeze. Permanently engraved timing marks make engine timing easy.
BONDED ELASTOMER
Unlike many other SFI dampers which are not bonded, the PRO/SPORT range feature a bonded elastomer! The elastomer is injected at high temperature and under extreme pressure and is cured against a specially prepared and chemically treated surface on the inside of the ring and outside of the hub. The result is a bond similar to that of a motor mount which makes it almost impossible to separate the damper hub from ring! In fact during the manufacturing process EACH AND EVERY PRO/SPORT damper is subjected to elastomer bond test of 3000lbs separation force. If there is any sign of bond degradation then the damper is scrapped.
REMOVABLE COUNTERWEIGHTS
This specification is enforced by most racing sanctioning bodies to assure that the dampers conform to specified standards. While the SFI test is quite stringent and requires the damper to be spin tested at a speed of 12,000 rpm for a period of one hour, the PRO/RACE Damper has been tested at a speed of 18,000 rpm, substantially exceeding SFI requirements.
All externally balanced Dampers feature accurately machined counterweights which bolt into the hub of the PRO/SPORT Damper. This not only provides extremely accurate engine balance due to the precision of the counterweight mass but also allows for easy conversion to neutral balance by unbolting the counterweight, should that ever be required.
Counterweights are available separately which enable internally balanced Dampers to be converted for use in their externally balanced variation, or vice versa e.g. a 400 Chevrolet counterweight can be bolted into the #34265 (350 Chevrolet Damper) which would make it suitable for 400 Chevrolet applications (note the #34262 Chevrolet Damper is not drilled to accept a counterweight).