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Good Parts now offers new chilled iron camshafts as well as reground stock cams. The new cams offfer greater durability due to improved material and larger diameter. Good Parts camshafts are precisely ground to an exclusive profile designed for the Triumph engine. The "GP2" high performance street profile offers very good idle, fantastic torque in low and mid range and good top end power up to about 5500rpm. Its lower torque range makes it the best choice for street, and autocross. It will also do an excellent job in a drag race with plenty of torque the whole way through the quarter mile. The "GP3" is also a good street profile but has its torque range at a slightly higher rpm. It will idle with a nice lope at 1000 to 1200 rpm, has an excellent mid range and a high horsepower top end while still maintaining good torque at low rpm. The driver who likes to rev a bit higher and wants the ultimate edge in a horsepower will prefer the "GP3" profile. This cam also has a wide torque range that will get you through the gears with no waiting time. Good Parts high performance valve springs are recommended with GP2 & GP3 camshafts.
CAM |
POWER BAND |
CAM LIFT |
VALVE LIFT* |
DURATION @
.010 CAM LIFT |
DURATION @ .050 CAM LIFT |
VALVE CLEARANCE |
GP2 |
2000–5500 |
.258” |
.362/.360 |
278 |
227 |
.015/.017 |
GP3 |
2500-6000 |
.282” |
.395/.393 |
281 |
232 |
.017/.019 |
* Net lift with stock 1.46:1 ratio rockers with clearance as shown.
View Drag Race Time Slips: Beaver Springs 2002 with GP2 Cam Maple Grove 1994 with GP3 Cam
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more info...
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Price:
US $299.00
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Includes packet of ZPaste Assembly Lube
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more info...
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Price:
US $179.00
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Exchange (Purchase of Core Charge or receipt of regrindable Core is required prior to shipping. Includes packet of ZPaste Assembly Lube
View GP2 Specs
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more info...
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Price:
US $179.00
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Exchange (Purchase of Core Charge or receipt of regrindable Core is required prior to shipping. Includes packet of ZPaste Assembly Lube
View GP3 Specs
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Price:
US $100.00
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Refunded upon receipt of regrindable core.
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more info...
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Price:
US $6.25
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Always Replace Tappets When Replacing Camshaft
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more info...
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Price:
US $7.89
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Same as standard tappet but nitrided to increase hardness for better wear. Tappets have been cleaned and need only final wash before assembly.
Always replace tappets when replacing camshaft.
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more info...
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Price:
US $60.00
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Cam bearings were not fitted to the TR6 block. Machining is required to install cam bearings
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more info...
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Price:
US $109.00
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Includes cam and crank sprockets, AE chain and tensioner.
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more info...
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Price:
US $139.00
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Includes hardened cam and crank sprockets, AE chain and tensioner.
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more info...
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Price:
US $259.00
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Includes hardened, adjustable cam sprocket, hardened crank sprocket, AE chain and tensioner.
Adjustable cam sprocket allows precise cam timing without elongating bolt holes. It also allows advancing or retarding the cam to tune the power range with engraved timing marks to show degrees of advance/retard.
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more info...
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Price:
US $189.00
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Adjustable cam sprocket allows precise cam timing without elongating bolt holes. It also allows advancing or retarding the cam to tune the power range with engraved timing marks to show degrees of advance/retard.
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Camshafts, Tappets and Timing Sets
