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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.
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Part Number: Grind Number:
Lifter Type:
Engine Family:
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 @ 0.015  Lift:      
Closes 26
Opens 74
106 Valve Timing Diagram
31 Opens
63 Closes
Recommended Components
ComponentPart Number
Complete K-KitK12-770-8
Small SK-KitSK12-770-8 [7,10]
Cam & Lifter Kit CL-KitCL12-770-8 [7,10]
Rocker Pushrod RP-KitRPM1301-16 / RPM1101-16
Lifter Kit818-16 [6] / 888-16
Timing Set2100 / 3100
Rocker Arms1301-16 [15] / 1101-16 [15]
Push Rods7372-16 / 7972-16
Valve Springs977-16 [2]
Steel Retainers740-16 [3] / 730-16
Valve Locks611-16 / 613-16
Valve Seals503-16 [2]
Camshaft Break-In Lube159
Installation Notes (These notes apply to the above recommended components with the trailing installation note numbers)
2[2] Requires machining on cylinder heads.
3[3] Standard weight and lightweight retainers
6[6] Offset lifters available.
7[7] Stock springs cannot be used.
10[10] Requires thrust button & wear plate.
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.
46[46] Must use bronze tip fuel pump pushrod when using high pressure or high volume pump.
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