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BBC Solid Roller Cam

In stock
Only 1 left
SKU
CRN138631
$458.99
Camshaft - Mechanical Roller - Lift 0.636 / 0.636 in - Duration 304 / 312 - 112 LSA - 3400 / 7200 RPM - Big Block Chevy - Each

BBC SOLID ROLLER CAM

Part Number:138631Grind Number:SR-254/374-2S-12 IG
Engine Identification:
Start Yr.End Yr.MakeCylDescription
1967UpCHEVROLET8Good mid range to upper RPM torque & HP, rough idle, performance usage, marine performance, bracket racing, auto transmission w/4000+ converter, 4200- 4600 cruise RPM, 11.0 minimum compression ratio advised, 480+ cu.in., mild supercharged and/or nitro
Engine SizeConfiguration
396-454 C.I.V
Valve Setting:Intake -.020Exhaust -.020Hot/Cold -HOT
Lift:Intake @Cam374@Valve636All Lifts are based
on zero lash and theoretical rocker arm ratios.
Exhaust @ Cam374@Valve636
Rocker Arm Ratio1.70
CamTiming:TAPPET@.015
Lift:OpensClosesADV Duration
Intake45.0 BTDC79.0 ABDC304.0
Exhaust93.0 BBDC39.0 ATDC312.0
Spring Requirements:
Part Number99876
LoadsClosed190LBS@1.950or1 61/64
Open488LBS@1.360
Recommended RPM range with matching components
Minimum RPM3400
Maximum RPM7200
Valve Float7800
CamTiming:TAPPET@.050
Lift:OpensClosesMax LiftDuration
Intake20.0 BTDC54.0 ABDC107254.0
Exhaust68.0 BBDC14.0 ATDC117262.0
More Information
BrandCRANE
Manufacturer Part#138631
SKUCRN138631
UPC21174044812
Air Restricted NO
Truck Freight OnlyNO
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