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*SBC - 1955-57 models have an oiling groove in the rear journal. The listed part numbered cams will not fit these models, so if you require a camshaft with the oiling groove, please call us at 1-800-999-0853 or click here to contact us, and we will assist you with placing an order.
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 23
  ATDC
Opens 76
  BBDC
110 Valve Timing Diagram
Intake  
22 Opens
BTDC
65 Closes
ABDC  
Recommended Components
ComponentPart Number
Complete K-KitK12-268-4
Small SK-KitSK12-268-4 [7]
Cam & Lifter Kit CL-KitCL12-268-4 [7]
Rocker Pushrod RP-KitRP1412-16 / RPM1301-16
Lifter Kit812-16 / 858-16
Timing Set2100 / 3100
Rocker Arms1412-16 [15,52] / 1301-16 [15,52]
Push Rods7812-16 / 7372-16
Valve Springs981-16 / 986-16 [2]
Steel Retainers742-16 / 740-16 [3]
Valve Locks601-16 / 613-16
Valve Seals501-16 / 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
7[7] Stock springs cannot be used.
15[15] 50-State legal on ‘93 & earlier S.B. Chevrolet V8, 262-400 c.i., C.A.R.B. E.O. #D-279-4.
52[52] Engines with self-aligning rocker arms must use part #1417-16 or 1317-16.
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