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Product Discontinued
COMP CAMSPART NUMBER: 249-12-865-9
Drag Race Mechanical Roller Camshaft Lift .684"/.660" Duration 307/317 RPM Range 4500-7800
Currently Unavailable
This product is no longer available. Please call customer service for assistance at 1-800-345-4545.
Chevy 262-400ci Small Block 1955-98
- Drag Race Mechanical Roller Camshaft
Lift .684"/.660"
Duration 307/317
RPM Range 4500-7800
Mechanical Roller-Latest design for 350 with race heads, 5500 stall.
Part TypeCamshaft
BrandCOMP CAMS
Package Height2.8
Package Width3.0
Package Length24.4
Weight8.9 PG
Part CategoryPerformance Parts
Exh. Duration @ .050 In. (Deg)284
Cam StyleMechanical roller tappet
Grind Number307-R6
Exh. Duration Advertised (Deg)317
Engine Make/SizeChevy Small Block (262-400)
Intake Valve Lift With Factory Rocker Arm Ratio (I0.684
Int. Duration @ .050 In. (Deg)278
Basic Operating Rpm Range4,500-8,000
Intake Valve Lash0.016 in (0.406 mm)
Intake Valve Lift0.684 in (17.374 mm)
Computer-Controlled CompatibleNo
Int. Duration Advertised (Deg)307
Lobe Separation (Deg)106
Rpm Range4500-7800
Advertised Duration307 int./317 exh.
Exhaust Valve Lift With Factory Rocker Arm Ratio (0.66
UsageStrip
Valve Lift With Factory Rocker Arm Ratio0.684 int./0.660 exh.
QuantitySold individually
Exhaust Valve Lash0.018 in (0.457 mm)
Exhaust Valve Lift0.66 in (16.764 mm)
Advertised Intake Duration307
Intake Duration At 050 Inch Lift278
Exhaust Duration At 050 Inch Lift284
Advertised Exhaust Duration317
Lifter TypeMechanical Roller
Duration At 050 Inch Lift278 int./284 exh.
Valve Springs RequiredYes
Vendor Part Number12-865-9
Package Qty1
Package TypeEA
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