S&S .640 lift cams (stock in S&S T124 engines) are designed to make horsepower. Intended for engines of 95 CID or more with compression ratios between 10.5:1 and 11.5:1. 3,000-6,000 rpm.
Includes 640G gear drive camshaft set and inner gears, outer cam drive gear kit, and camshaft installation kit.
Product Note:Requires high lift springs, (sold separately).
Specification
Details
Country of Origin
USA
Engine Type
Twin Cam
Exhaust Duration
270 degrees
Exhaust Lift
.214"
Exhaust Lobe Center
110 degrees
Exhaust Timing (Close)
25 degrees
Exhaust Timing (Open)
65 degrees
Intake Duration
265 degrees
Intake Lift
.228"
Intake Lobe Center
107.5 degrees
Intake Timing (Close)
60 degrees
Intake Timing (Open)
25 degrees
Valve Lift
.640"
Vehicle Fitment
Fitment is guaranteed or your money back plus free return shipping.
Don’t waste time installing a product that doesn't fit. We worked hard ensuring that this product is an exact fit on the vehicles listed below.
