Watch this video and learn the ins and outs of Summit Racing Street & Strip® Bracket Racer SFI Harmonic Dampers for LS engine applications.
These particular harmonic balancers were designed with bracket racers in mind. They are constructed from carbon steel, have been tested up to 12,500 rpm, and are 18.1 SFI-rated which will pass tech inspection at virtually any dragstrip.
For anyone interested in timing adjustments on carbureted conversions (basically anyone not driving a late-model vehicle), these LS harmonic balancers have engraved timing marks. They also accommodate factory serpentine belt setups.
Overview of Summit Racing LS Harmonic Balancers
SUM-C2500 – Applications: Camaro/Firebird/GTO; LS1
SUM-C2501 – Applications: Corvette; LS1, LS2, LS3, LS6
SUM-C2502 – Applications: Camaro/Firebird/GTO; LS1 – Underdriven
SUM-C2503 – Applications: Corvette/G8; LS1, LS2, LS3, LS6 – Underdriven
SUM-C2520 – Applications: GM Truck/SUV; 4.8L, 5.3L, 6L (25 percent underdrive; includes alternator pulley)
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