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Erson Cams have developed the FIRST 4-7 Swap firing order Hydraulic Roller Cam. Newest valve train designs bring the latest in cam technology to the street with its Hi-Rev/Hi-Tech Series of hyraulic roller camshafts. Reap the benefits of faster acceleration, smoother performance and better fuel distribution. These kits include 4-7 swap cam, Hi-Rev lifters, matched valve springs, steel retainers, valve locks and dual row timing set.
Also available for 1987 up -PLEASE CALL. Pro Race Hydraulic Roller Lifters are billet alloy steel heat-treated for unparalled wear resistance.
Eaton style oil metering design for precision high rpm oil control.
High strength .750 dia alloy roller wheels for correct cam geometry
Full 360 degree wide contact area on camshaft.
Through heat-treated steel axles are the strongest in the business.
Tie-bars are heat-treated stainless steel with steel buttons precision formed for permanent attachment. Pro Street/E.T. Brackets. Max effort in larger cid engines. No less than 11:1 compression, aftermarket heads, Victor styl intake with at least 850 CFM carb, large tube headers, 3500-4000 RPM converter and 4.56 gears. Pulls strong to 7000 RPM. - RPM Range 3800-6800
- Duration @.050 250/258 deg Int/exh
- Lift w/1.5 rocker - .548 in
- Lift w/1.6 rocker - .584 in
- Lobe Center 108 deg
- Advance - 4 deg
- Valve Lash - .000 in
- Single spring# 3200 1.260 dia, 135lb @ 1.750 in
NOTE: For 1.6 rocker arm / .584 in lift add #3400 spring BELOW |
