For 1967-1974 GMC C25/C2500 Suburban Camshaft 75978BR 1968 1969 1970 1971 1972
Review Fitment Notes to Ensure Proper Fit
Condition: New
Brand: Melling
Notes: Performance -- Class 4, Rough Idle With Mid To High RPM Torque And Horsepower; Will Not Have Enough Vacuum To Operate Power Accessories; Advertised Intake Duration 290; Advertised Exhaust Duration 298; Mechanical Camshaft
Lifter Type: Solid
Exhaust Valve Lift: 0.556 in
Intake Valve Lift: 0.538 in
Exhaust Duration at .050 inch Lift: 266 deg
Intake Duration at .050 Inch Lift: 258 deg
Advertised Exhaust Duration: 298 deg
Advertised Intake Duration: 290 deg
Basic Operating RPM Range: 4500 RPM
Cam Type: Mechanical Flat Tappet
Computer Controlled Compatible: No
Exhaust Valve Lash: .026 in
Exhaust Valve Lift with Factory Rocker Arm Ratio: .834 in
Intake Valve Lash: .026 in
Intake Valve Lift with Factory Rocker Arm Ratio: .807 in
Lobe Separation: 100 deg
Features:
- High Performance Camshaft
- Class IV camshaft (245°-UP). Rough idle quality. Mid to high rpm torque and horsepower. For serious racing. Need proper selection of rear axle ration and improvements in carburation and exhaust system. For use with manual transmission or automatic with very high stall converter. Will not have enough vacuum for power accessories. Melling offers a full line of high performance camshafts for domestic cars, light trucks, import vehicles, marine and high performance engines. Melling offers specific high performance camshaft choices for street, RV, strip and circle track racing applications. Melling camshafts supply the performance to suit your horsepower and torque requirements wherever and whenever you want it. Melling high performance camshafts are developed, engineered, tested and manufactured with the highest standards of quality and materials.
12 Month Warranty
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Ensure Proper Fit
To confirm that this part fits your vehicle, enter your vehicle's Year, Make, Model, Trim and Engine in the Compatibility Table.
Also review the notes section in the compatibility chart for additional specifications about this part.
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Return Policy
Return shipping paid by: BuyerItem must be returned within: 30 Days
Refund will be given as: MoneyBack
PLEASE DO NOT SEND RETURNS BACK WITHOUT A VALID RMA NUMBER. (We do not accept returns on opened or plugged in Electrical parts - No Exceptions)
Core Policy
Return shipping paid by: BuyerItem must be returned within: 30 Days
Refund will be given as: PLEASE DO NOT SEND RETURNS BACK WITHOUT A VALID RMA NUMBER. (We do not accept returns on opened or plugged in Electrical parts - No Exceptions)
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WARNING: This product may
contain chemicals known to the State of California to cause cancer and birth defects or other reproductive harm.
For more information go to www.p65warnings.ca.gov