
INSTRUCTIONS
Hex-A-Just True Roller Timing Set #9-3147A (BB Chevy Merlin)
Review Cloyes installation instructions for the 9-3147A Hex-A-Just, including required tools, timing setup, clearance checks and torque specifications.


INSTRUCTIONS
Review Cloyes installation instructions for the 9-3147A Hex-A-Just, including required tools, timing setup, clearance checks and torque specifications.

INSTRUCTIONS
Review Cloyes installation instructions for the 3-Keyway Crank Sprocket, including required tools, timing setup, clearance checks and torque specifications.

INSTRUCTIONS
Check timing-set alignment, engine-block clearance and lubrication before startup to help prevent interference, accelerated wear and component damage.

INSTRUCTIONS
Review Cloyes installation instructions for the High-Performance Timing Set, including required tools, timing setup, clearance checks and torque specifications.
9-3147A
Engine Timing SetHigh Performance
HEX-A-JUST Allows for Infinite Valve Timing Adjustability of +/-6 Degrees to Tune for Maximum Engine Performance Output. One Piece Camshaft Sprocket Design Featuring a Billet Eccentric Camshaft Dowel Bushing. Both Billet Steel Sprockets are Heat Treated for Durability. TRUE Roller 0.250" Roller Diameter Chain for Reduced Friction. Includes Captured Needle Camshaft Sprocket Thrust Bearing to Minimize Block Thrust Surface Friction. 3-Piece Sets Hand-Matched to Qualify the Correct Center Distance and Minimize Runout.
-PART SOLD IN UNITED STATES AND CANADA ONLY-
Not included: Engine Oil Pump, Tensioner
| Make | Model | Year | Engine |
|---|---|---|---|
| Chevrolet | Bel Air | 1965-1969 | V8 6.5L |
| Chevrolet | Bel Air | 1966-1969 | V8 7.0L |
| Chevrolet | Bel Air | 1970-1974 | V8 6.6L |
| Chevrolet | Bel Air | 1970-1975 | V8 7.4L |
| Chevrolet | Biscayne | 1965-1969 | V8 6.5L |
| Chevrolet | Biscayne | 1966-1969 | V8 7.0L |
| Chevrolet | Biscayne | 1970-1972 | V8 6.6L |
| Chevrolet | Biscayne | 1970-1972 | V8 7.4L |
| Chevrolet | Blazer | 1973-1974 | V8 7.4L |
| Chevrolet | Brookwood | 1969 | V8 6.5L |
| Make / Model | Year / Engine |
|---|---|
| ChevroletBel Air | 1965-1969V8 6.5L |
| ChevroletBel Air | 1966-1969V8 7.0L |
| ChevroletBel Air | 1970-1974V8 6.6L |
| ChevroletBel Air | 1970-1975V8 7.4L |
| ChevroletBiscayne | 1965-1969V8 6.5L |
| ChevroletBiscayne | 1966-1969V8 7.0L |
| ChevroletBiscayne | 1970-1972V8 6.6L |
| ChevroletBiscayne | 1970-1972V8 7.4L |
| ChevroletBlazer | 1973-1974V8 7.4L |
| ChevroletBrookwood | 1969V8 6.5L |
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