PUSHROD GUIDE PLATES
COM4842-8
Oldsmobile 260-455 Part No. Description
Pushrod Diameter
Qty.
COM4842-8 COM4843-8
Flat Flat
5/16" 3/8"
8 8
CAMSHAFTS AND KITS
Oldsmobile 1967-90 260-455
Adv. Duration
Duration @ .050"
Valve Lift
Valve Lash
Lobe Center
Part No.
Description
RPM Range
Hydraulic Camshafts and Kits Comp Cams High Energy Hydraulic Camshafts COM42-228-4 Cam Only Comp Cams Xtreme Energy Hydraulic Camshafts COM42-221-4 Cam Only 1000-5200 1200-5200 1500-5500 COM42-229-4 Cam Only
260°/260° 268°/268°
212°/212° 218°/218°
.447"/.447" .456"/.456"
— 110° — 110°
256°/268° 262°/274° 268°/280° 274°/286° 284°/296° 270°/270° 280°/280° 292°/292°
212°/218° 218°/224°
.453"/.456" .475"/.480"
— 110° — 110° — 110° — 110° — 110° — 110° — 110° — 110°
COM42-222-4 COM42-223-4 COM42-224-4 COM42-225-4
Cam Only Cam Only Cam Only Cam Only
1200-5600 1600-5800 1800-6000 2300-6500 1800-5800 2000-6000 2500-6500
224°/230° .485"/.485" 230°/236° .520"/.523"
240°/246°
.541"/.544"
Comp Cams Magnum Hydraulic Camshafts COM42-308-4 Cam Only
224°/224°
.501"/.501"
COM42-231-4 COM42-236-4
Cam Only Cam Only
230°/230° .490"/.490"
244°/244°
.518"/.518"
Comp Cams Thumpr Hydraulic Camshaft COM42-600-5 Cam Only
2000-5800
278°/296°
226°/241°
.491"/.476"
— 107°
Crane Cams PowerMax Hydraulic Camshaft and Lifter Kits CRN803902 Cam/Lifter Kit 1500-4500 Edelbrock Performer-Plus Camshaft and Lifter Kits EDE3712 Cam/Lifter Kit 800-5500 Edelbrock Performer RPM Camshaft & Lifter Kit EDE7112 Cam/Lifter Kit 1500-6500 Hydraulic Roller Camshafts Comp Cams Xtreme Energy Hydraulic Roller Camshaft COM42-413-11 Cam Only 1000-5000
260°/272°
204°/216° .456"/.484"
— 112°
280°/290°
204°/214°
.448"/.472"
— 114°
290°/300°
224°/234° .496"/.520"
— 112°
262°/268° 276°/282°
210°/216° 224°/230°
.505"/.505" .505"/.505"
— 110° — 110°
COM42-423-11
Cam Only
1800-5600
LIFTERS
466 2021-22 ENGINE BUILDER CATALOG Oldsmobile 260-455 Part No. Description Qty. Hydraulic Lifters Comp Cams COM852-16 High Energy, 260-455 16 COM863-16 Pro Magnum, Anti-Pump-Up, 260-455 16 Crane Cams CRN99284-16 Anti-Pump-Up, 260-455 16 Crower Cams CRO66056-16 Anti-Pump-Up Lifters, 260-455, .842" Dia. 16 CRO66056X3-16 Cam Saver Hyd. Lifters, 260-455, .842" Dia. 16 Lunati LNT71951PR-16 Performance Repl. 260-455 .842" Dia. 16 Sealed Power SEAHT951-16 Stock Replacement, 260-455 16
Part No.
Description
Qty.
Hydraulic Roller Lifters Comp Cams COM857-16
Retro-Fit Lifters, 260-455
16
Howards Cams HRC91464
Street Series High-RPM, Retro-Fit Olds V8, Vertical Bar
16
Mechanical Roller Lifters Crane Cams CRN28570-16
Ultra Pro Series, Centered, 0.842" Dia., Link Bar
16
Howards Cams HRC91417
V8 260-455, with Vertical Locking Bar
16
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