Hi-Tech Roller Race Timing Set for GM 2007 LS2, 2008+ LS3/LS9 (58x) Single Chain 9 Keyway (Three-Bolt, 4 Pole Reluctor) features: 9-keyway crank sprocket offering 8 degrees maximum advance/retard (16 degrees total) Single chain, full Roller timing sets offer an excellent performance upgrade from stock Cast iron Camshaft Gear and induction hardened Steel crank sprocket increase durability Dynamically balanced and quality checked for run-out tolerances Pre-stretched and heat-treated chains avoid further stretching or breaking, which can lead to timing errors or internal engine damage Ideal for all non-VVT LS street performance and Race Applications . An excellent performance upgrade, this 4-Pole single roller timing set for GM LS Single-Bolt engines is adjustable in 2 degree increments up to 8 degrees total advance or retard. Ideal for street cars and clears factory front cover.. Comp Cams Hi-Tech Timing Set, 1-Bolt, 4-Pole 2007 Ls2, 2008+ Ls3 Ls9 58X Adjustable Single Chain. Allows up to 8 degrees of advance or retard for custom-tailored performance.. Adding separately available 9303 chain makes this timing set race ready.. Balanced and quality checked to ensure run-out is within tolerance.. Full roller design chain for decreased wear and friction.. Hi-Tech 9-Keyway Single Row Timing Set for 1-Bolt GM LS. 9 Keyway adjustable positions in 2 degree increments.. See 9303 for replacement performance timing chain.. Excellent performance upgrade over stock.. Hi-Tech 9-Key 1 Row Timing Set 1-Bolt LS. Ideal for street performance.. heat-treated roller chain.. Engine Timing Set. Pre-stretched. HT9Key1BltLS

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