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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 HR Energy Plus Series of hydraulic roller camshafts. Reap the benefits of faster acceleration, smoother performance and better fuel distribution. These kits include 4-7 swap cam, Street Series hyd roller lifters, matched valve springs, steel retainers, valve locks, cam button and dual row timing set. Street Series Hydraulic Roller Lifters are billet alloy steel with .700 wheel.
Heat-treated precision formed body.
Bodies are carbonitrided and tempered
Roller wheels are hardened steel alloy
Roller pins posi-locked in place.
Tie-bars are heat-treated stainless steel Hot Street/E.T. Brackets. Strong mid-range torque and top end horsepower in 383 cid and larger engines. No less than 10.5:1 compression, aftermarket heads, single plane intake, 1.6 rockers for best performance. 3000-3500 RPM converter and 4.10 or lower gears. Rough idle. - RPM Range 3500-6500
- Duration @.050 242/250 deg Int/exh
- Lift w/1.5 rocker - .548 in
- Lift w/1.6 rocker - .584 in
- Lobe Center 108 deg
- Advance - 2 deg
- Valve Lash - .000 in
- Dual spring# 3400 1.440 dia, 135lb @ 1.800 in
NOTE: For 1.6 rocker arm / .584 in lift add #3400 spring BELOW Also available for 1987 up - PLEASE CALL |
