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Description  
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Part Number: Grind Number:
Lifter Type:
Engine Family:
Description:
Cam Family:
Specifications     Intake Exhaust
RPM Range: Valve Lash:
Valve Timing: Duration:
Lobe Separation:   Duration @ .050" Lift:
Intake Centerline: Valve Lift:
    Lobe Lift:
Valve Timing @ 0.006  Lift:      
  Exhaust
Closes 16
  ATDC
Opens 64
  BBDC
106 Valve Timing Diagram
Intake  
24 Opens
BTDC
56 Closes
ABDC  
Recommended Components
ComponentPart Number
Complete K-KitK42-228-4
Small SK-KitSK42-228-4
Cam & Lifter Kit CL-KitCL42-228-4
Rocker Pushrod RP-Kit1441-KIT [44]
Lifter Kit852-16 / 863-16 [37]
Timing Set3213 / 2113
Rocker Arms1242-16
Push Rods7842-16 [42,51] / 7131-16 [51]
Valve Springs901-16 / 995-16 [2]
Steel Retainers743-16 [3] / 740-16 [3]
Valve Locks601-16 / 611-16
Valve Seals502-16 / 503-16 [2]
Camshaft Break-In Lube159
Installation Notes (These notes apply to the above recommended components with the trailing installation note numbers)
NoteDescription
2[2] Requires machining on cylinder heads.
3[3] Standard weight and lightweight retainers
37[37] Adjustable valve train required.
42[42] Olds 400-455 use part #7582-16.
44[44] For 260-403 engines only. 455 use kit #1442-KIT.
51[51] Pushrod length may vary depending on combination, check for proper length.
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