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Chevrolet V8, 265-400, 1955-91 and V6, V8 55-91, Comps Magnum Double Roller Timing Sets is a step above Hgh Energy with Heavy-duty, heat-treated true double roller timing chain
- Induction hardened cast iron camshaft gear & billet steel crank sprocket
- Features 3 keyway crank sprocket for 4-degree
- incremental adjustability, 4-degree maximum advance/retard
- Ideal for mild street performance applications
Chevrolet V8, 265-400, 1955-91 (Except w/ Factory Roller Cam) Chevrolet V6 90°, 200, 229, 262, 1978-86
Tools and Supplies Needed:
1. 1/2" Wrench (Part # W30216)
2. Torque Wrench (Part # M200DB)
3. Pro Cam Lube (Part #153 ).
4. Harmonic Balancer Installation Tool (Part #4920)
5. Crankshaft Timing Gear Installation Tool (Part #4789). (Used in conjunction with #4920)
6. Crankshaft Socket (Part #4793 for Small Block Chevy and #4797 Big Block Chevy)
7. Cam Lock Plate & Bolts (Part #4605) (Not used on 87-present models equipped with factory roller
8. Cam Button (Part #200 or #202 for Small Block Chevy and #205 or #207 for Big Block Chevy).
Note: This is required when using mechanical roller and retro-fit hydraulic roller camshafts.
However, it is not required on 1987-present models equipped with factory roller camshafts
when using stock camshaft retainer.
9. Camshaft Degree Bushings (Part #4760)
10. Camshaft Degree Kit (Part #4796 including degree video)
11. Thread Locking Compound (Part #' 24200)
12. Cleaning Solvent (Part # 73420)
COMP Cams ® recommends the standard timing position for most applications.
This position uses the round or “O” timing and keyway marks. Standard Timing Location: This is the
same as original O.E.M. setting. Use keyway and crankshaft gear tooth marked “O”.
- 4° Advance: Use keyway and crankshaft tooth marked with a Triangle Note: The Triangle or advanced
position should not be used without degreeing the camshaft. Many camshafts have the proper
advance built in. Advancing the cam will reduce intake valve to piston clearance and increase
exhaust valve to piston clearance.
- 4° Retard: Use keyway and crankshaft gear tooth marked with a Square. Note: The Square or retarded
position should not be used without degreeing the camshaft. Many cams have the proper
advance built in. Retarding the cam will reduce exhaust valve to piston clearance and increase
intake valve to piston clearance.
|Cam Sprocket Material
|Crank Sprocket Material
|Maximum Advance/Retard at Camshaft
|Maximum Advance/Retard at Crankshaft
||Will not fit factory roller cam applications.
|Offset Bushings Included
||Timing Chain and Gear Sets
||COMP Cams Magnum Double Roller Timing Sets
||Sold as a set.
|Thrust Bearing Included
|Timing Chain Style
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