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BBC Roller Camshaft R274/4334-2S14

Out of stock
SKU
CRN138351
$412.99
Camshaft - Mechanical Roller - Lift 0.737 / 0.726 in - Duration 314 / 324 - 114 LSA - 4600 / 8200 RPM - Big Block Chevy - Each
Part Number:138351Grind Number:R-274/4334-2S-14
Engine Identification:
Start Yr.End Yr.MakeCylDescription
1967UpCHEVROLET8COMPETITION ONLY, W/LARGE MANIFOLD NITROUS SYSTEM, GOOD UPPER RPM HP, 500+ CU.IN., BRACKET RACING, AUTO TRANS W/RACE CONVERTER, 12.5 MINIMUM COMP. RATIO ADVISED. BASIC RPM 4600-8200
Engine SizeConfiguration
396-454 C.I.V
Valve Setting:Intake.026Exhaust.026HOT
Lift:Intake @Cam4334@Valve737All Lifts are based
on zero lash and theoretical rocker arm ratios.
Exhaust @ Cam427@Valve726
Rocker Arm Ratio1.70
CamTiming:TAPPET@.0162
Lift:OpensClosesADV Duration
Intake45.0 BTDC89.0 ABDC314
Exhaust98.0 BBDC46.0 ATDC324
Spring Requirements: Triple Dual Outer Inner
Part Number99874
LoadsClosed210LBS@1.938or1 15/16
Open665LBS@1.258
Recommended RPM range with matching components
Minimum RPM4000
Maximum RPM8000
Valve Float8500
CamTiming:TAPPET@.050
Lift:OpensClosesMax LiftDuration
Intake26.0 BTDC68.0 ABDC109274
Exhaust79.0 BBDC25.0 ATDC119284
Remarks:
More Information
BrandCRANE
Manufacturer Part#138351
SKUCRN138351
UPC21174044775
Air Restricted NO
Truck Freight OnlyNO
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