How to replace the cam gear and timing chain for Z52, LS9, LS7, and LS3 on Chevrolet Corvette?

To replace the camshaft timing chain and sprocket with the models of s52 as well as the l, ls9, ls7, and ls3, first, make sure that the Crankshaft assembly is not rotated once you remove the timing chain to avoid damage to the piston arrangements and stresses or valves. First, remove the Oil Pump, and then throw away the camshaft sprocket bolt and remove the camshaft sprocket and timing chain . For ls9 go ahead and eliminate (232) the Timing Chain Tensioner and (231) bolts; for ls7, take out the chain dampener (232) and bolts (231). Use j 41816-2 , j 41558 , boltes , and j 8433 to remove the sproocket of Crankshaft ( 207) and its key if required. When installing, insert the key into the Crankshaft key way, tap it till it is seated and align the crank shaft sprocket (207) with the key way. Install using en-47812 and j 41665 until fully seated and rotate into position to the 12 o'clock position. Compress the Timing Chain Tensioner guide and install en46330 (LS9 only), ret, timing chain tensioner (232) and bolts (231) 25 nm (18 lb ft) only for ls9 and chain dampener (232) and bolts (231) ls7. Make sure that the teeth of the sprockets intermesh and the alignment marks on camshaft and Crankshaft sprockets are appropriate with the camshaft sprocket located at 6 o'clock mark and Crankshaft sprocket at 12 o'clock. Remove en 46330 (LS9 only), temporarily install the automatic transmission flex plate or manual transmission Flywheel and bolts, then job j 42386-a to torque bolts to 50 nm (37 lb ft). After replacing the j 42386-a, next install the camshaft sprocket bolts and tighten them at 30 nm (22 lb ft) and then eliminate the flex plate or Flywheel and finally reintegrate the Oil Pump.

OEM Chevrolet Corvette Cam Gear

Camshaft Gear

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Chevrolet Corvette Camshaft Gear Part Number: 340235
$58.88 MSRP: $92.23
You Save: $33.35 (37%)
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Product Specifications
- Other Name: Sprocket, Camshaft; Variable Valve Timing Sprocket; Timing Gear; Cam Gear; Timing Gear Set; Sprocket, Engine Camshaft; Gear, Engine Camshaft
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1984-1986 Chevrolet Corvette | Base, Indianapolis 500 Pace Car | 8 Cyl 5.7 L GAS
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Chevrolet Corvette Actuator Part Number: 12662599
$160.53 MSRP: $264.44
You Save: $103.91 (40%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Actuator, Engine Camshaft
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2015-2019 Chevrolet Corvette | Z06 | 8 Cyl 6.2 L GAS
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Chevrolet Corvette Camshaft Gear Part Number: 12623368
$174.05 MSRP: $296.32
You Save: $122.27 (42%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Actuator, Engine Camshaft; Variable Valve Timing Sprocket; Cam Gear; Actuator
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2014-2019 Chevrolet Corvette | Grand Sport, Stingray | 8 Cyl 6.2 L GAS
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Chevrolet Corvette Camshaft Gear Part Number: 12591689
$24.76 MSRP: $40.78
You Save: $16.02 (40%)
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Product Specifications
- Other Name: Sprocket, Engine Camshaft; Timing Gear
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2007-2013 Chevrolet Corvette | Base, Grand Sport | 8 Cyl 6.0 L GAS, 8 Cyl 6.2 L GAS
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Chevrolet Corvette Camshaft Gear Part Number: 12586481
$34.93 MSRP: $57.55
You Save: $22.62 (40%)
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Product Specifications
- Other Name: Sprocket, Engine Camshaft; Variable Valve Timing Sprocket; Cam Gear; Timing Gear
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2006-2013 Chevrolet Corvette | 427, 427 Limited Edition Z06, Base, Grand Sport, Z06, Z06 Carbon | 8 Cyl 6.0 L GAS, 8 Cyl 6.2 L GAS, 8 Cyl 7.0 L GAS
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Chevrolet Corvette Actuator Part Number: 12689341
$126.82 MSRP: $201.35
You Save: $74.53 (38%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Actuator, Engine Camshaft
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2020-2023 Chevrolet Corvette | Stingray | 8 Cyl 6.2 L GAS
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Chevrolet Corvette Camshaft Gear Part Number: 12623754
$27.95 MSRP: $44.38
You Save: $16.43 (38%)
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Product Specifications
- Other Name: Sprocket, Engine Camshaft; Variable Valve Timing Sprocket; Cam Gear
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2009-2013 Chevrolet Corvette | ZR1 | 8 Cyl 6.2 L GAS
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Chevrolet Corvette Camshaft Gear Part Number: 12576407
$34.88 MSRP: $59.89
You Save: $25.01 (42%)
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Product Specifications
- Other Name: Sprocket, Engine Camshaft; Variable Valve Timing Sprocket; Timing Gear; Cam Gear; Timing Gear Set; Sprocket
- Replaces: 12552953
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1997-2005 Chevrolet Corvette | 50th Anniversary Edition, 50th Anniversary Edition Pace Car, Base, Indianapolis 500 Pace Car, Z06 | 8 Cyl 5.7 L GAS, 8 Cyl 6.0 L GAS
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Chevrolet Corvette Camshaft Gear Part Number: 10128349
$25.20 MSRP: $39.48
You Save: $14.28 (37%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Sprocket, Engine Camshaft; Variable Valve Timing Sprocket; Cam Gear
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1992-1993 Chevrolet Corvette | Base | 8 Cyl 5.7 L GAS
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Chevrolet Corvette Camshaft Gear Part Number: 10206039
Product Specifications
- Other Name: Sprocket, Engine Camshaft; Variable Valve Timing Sprocket; Timing Gear; Cam Gear; Timing Gear Set
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1994-1996 Chevrolet Corvette | Base | 8 Cyl 5.7 L GAS
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Chevrolet Corvette Camshaft Gear Part Number: 10106162
Product Specifications
- Other Name: Sprocket, Camshaft; Variable Valve Timing Sprocket; Cam Gear; Sprocket, Engine Camshaft
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1992-1995 Chevrolet Corvette | ZR-1 | 8 Cyl 5.7 L GAS

Chevrolet Corvette Cam Gear

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Cam Gear is integral to the performance and durability of Chevrolet Corvette vehicles; it is as closely related to the camshaft as it is responsible for the precise timing of the valves. This is crucial to facilitate the increase the Corvette's torque and horsepower as improvements or slowdowns in the timing that have a notable effect on the efficiency of the engine can be made singularly. Chevrolet has over the years released several Cam Gear styles across Corvette editions, all of that play a part in the performance upgrade. Since cam gear encompasses both the structure and function differentiation, it gives us confidence in the fact that every Chevrolet Corvette- from the C1 model to the C8 model- will have improved engine performance and reliability. Apart from providing great help to reach the intended balance of power and performance, this component contributes to the overall safety of the vehicle as it contributes to the proper running of the engine. However, the Cam Gear is a rare product in the automotive market and this is perhaps because the component requires rigid construction and excellent engineering for it to deliver the required performance of a Corvette. Available with multiple generations of the Corvette, the Cam Gear is a component that is elementary to the experience of the car, and that keeps enthusiasts addicted to the proper acceleration and smooth shifting that defines the Chevrolet Corvette. In summary, the Chevrolet Corvette cam gear offer performance and reliability of those looking forward to enhanced efficiency when in motion.

Chevrolet Corvette Cam Gear Parts and Q&A

Camshaft Gear
12586481
Q: How to replace the cam gear and timing chain for Z52, LS9, LS7, and LS3 on Chevrolet Corvette?
A:
To replace the camshaft timing chain and sprocket with the models of s52 as well as the l, ls9, ls7, and ls3, first, make sure that the Crankshaft assembly is not rotated once you remove the timing chain to avoid damage to the piston arrangements and stresses or valves. First, remove the Oil Pump, and then throw away the camshaft sprocket bolt and remove the camshaft sprocket and timing chain . For ls9 go ahead and eliminate (232) the Timing Chain Tensioner and (231) bolts; for ls7, take out the chain dampener (232) and bolts (231). Use j 41816-2 , j 41558 , boltes , and j 8433 to remove the sproocket of Crankshaft ( 207) and its key if required. When installing, insert the key into the Crankshaft key way, tap it till it is seated and align the crank shaft sprocket (207) with the key way. Install using en-47812 and j 41665 until fully seated and rotate into position to the 12 o'clock position. Compress the Timing Chain Tensioner guide and install en46330 (LS9 only), ret, timing chain tensioner (232) and bolts (231) 25 nm (18 lb ft) only for ls9 and chain dampener (232) and bolts (231) ls7. Make sure that the teeth of the sprockets intermesh and the alignment marks on camshaft and Crankshaft sprockets are appropriate with the camshaft sprocket located at 6 o'clock mark and Crankshaft sprocket at 12 o'clock. Remove en 46330 (LS9 only), temporarily install the automatic transmission flex plate or manual transmission Flywheel and bolts, then job j 42386-a to torque bolts to 50 nm (37 lb ft). After replacing the j 42386-a, next install the camshaft sprocket bolts and tighten them at 30 nm (22 lb ft) and then eliminate the flex plate or Flywheel and finally reintegrate the Oil Pump.