Order Status & Returns
Gift Cards
Help Center
1-800-345-4545
Product Discontinued
LUNATIPART NUMBER: 638-40121140
Drag Race Solid Roller Camshaft Small Block Chevy 262-400 Lift: .640" /.645"
Currently Unavailable
This product is no longer available. Please call customer service for assistance at 1-800-345-4545.
Drag Race Camshafts (0.900" Base Circle)
- Drag Race Solid Roller Camshaft
- Lift: .640''/.645''
- Duration: 308°/316°
- LSA: 106 Deg
- RPM Range: 4400-7800
Excellent bracket race cam in Super Gas/Super Comp classes with 350-406 cubic inch motors. Needs 4500-5000 RPM stall converter, headers, 12:1 compression ratio, and 4.88 or better gearing.
Small Block Chevy 262-400
Part TypeCamshaft
BrandLUNATI
Package Height2.8
Package Width3.1
Package Length24.3
Weight8.25 PG
Part CategoryPerformance Parts
Valve Lift With Factory Rocker Arm Ratio0.640 int./0.645 exh.
Cam StyleMechanical roller tappet
QuantitySold individually
Grind NumberRRA-276-284SB
Exhaust Valve Lash0.027 in (0.686 mm)
Intake Valve Lift With Factory Rocker Arm Ratio (I0.64
Advertised Intake Duration308
Basic Operating Rpm Range4,400-7,800
Intake Valve Lash0.025 in (0.635 mm)
Intake Duration At 050 Inch Lift276
Exhaust Duration At 050 Inch Lift284
Computer-Controlled CompatibleNo
Lobe Separation (Deg)106
Advertised Exhaust Duration316
Advertised Duration308 int./316 exh.
Part FitmentSemi Universal
Exhaust Valve Lift With Factory Rocker Arm Ratio (0.645
Duration At 050 Inch Lift276 int./284 exh.
Valve Springs RequiredYes
Vendor Part Number40121140LUN
Package Qty1
Package TypeEA
No Questions
No Reviews
Some parts are not legal for use in California or other states with similar laws / regulations
