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Instruction Sheets for Part Number SUM-1125
Technical Articles for Part Number SUM-1125
Summit Racing™ Muscle Car Replacement Cams
Muscle Car Camshaft, 302 Offroad, Mechanical Flat Tappet, 3,500-7,000 RPM Range, Adv. Duration 304 int./320 exh., Lift 494 int./512 exh., Chevy, Each
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Overview
Brand:
Manufacturer's Part Number:
SUM-1125
Part Type:
Product Line:
Summit Racing Part Number:
SUM-1125
UPC:
190861252974
Cam Style:
Solid flat tappet
Camshaft Use:
Circle Track/Drag Race
Camshaft Manufacturers Description:
Road Race, Bracket race, Circle track cam, Rough idle, 10.5-1+ compression and 3500 stall required, 125lbs seat 325 lbs open.
Basic Operating RPM Range:
3,500-7,000
Intake Duration at 050 inch Lift:
257
Exhaust Duration at 050 inch Lift:
270
Duration at 050 inch Lift:
257 int./270 exh.
Advertised Intake Duration:
304
Advertised Exhaust Duration:
320
Advertised Duration:
304 int./320 exh.
Intake Valve Lift with Factory Rocker Arm Ratio:
0.494 in.
Exhaust Valve Lift with Factory Rocker Arm Ratio:
0.512 in.
Valve Lift with Factory Rocker Arm Ratio:
0.494 int./0.512 exh.
Lobe Separation (degrees):
112
Camshaft Gear Attachment:
3-bolt
Intake Valve Lash:
0.022 in.
Exhaust Valve Lash:
0.024 in.
Remanufactured:
No
Computer-Controlled Compatible:
No
Valve Springs Required:
Yes
Quantity:
Sold individually.
Notes:
Z-28 offroad cam GM 3927140 equivalent.
Summit Racing™ Muscle Car Replacement Cams
Restore or recreate the legendary performance and sound of the Muscle car era with Summit Racing™ MCR or Muscle Car Replacement camshafts. Available in hydraulic or mechanical lifter designs, these cams mimic the specs of the originals—but are produced on today's CNC grinders using modern lobe technology to give you better performance and reliability. Bring back the good old days and get that muscle car back on the road; order the camshaft model recommended for your engine application.
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Instructions & Calculators
Some parts are not legal for use in California or other states with similar laws / regulations
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