CC-12-700-8: MECHANICAL ROLLER - Most versatile, good vacuum, excellent throttle response, noticeable idle, works well with stock manifolds and 2000+ stall.
CC-12-702-8: MECHANICAL ROLLER - Street/strip performance. Choppy idle, use 2500+ stall and headers. 9.5:1 compression.
CC-12-705-8: MECHANICAL ROLLER - Excellent choice for maximum street effort, racy idle, 3500+ stall with low gears, 10:1 compression and headers.
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