Crower 73694NS-8 Features:

Crower 73694NS-8 Enduro Centerline rollerized rockers for Small Block Chevy 265-400, 1.7 ratio, 7/16 in. stud fitment. Half-set of 8 rockers with no sure-locks included, ideal for split-ratio valve train combinations and custom racing builds. Heat-treated stainless steel rockers with alloy steel tip rollers and a precision needle-bearing fulcrum for full-roller operation. 0.050 in. backset trunnion design restores valve stem alignment at half lift, helping reduce guide wear, friction, and timing error.

Centerline Rockers Chevy 1.7 Ratio 7/16 In. Stud No Features:

• 1.7 ratio centerline roller rockers for small-block Chevy 265-400 with 7/16 in. stud fitment and half-set of 8 for split-ratio builds
• Heat-treated stainless steel rockers with alloy steel tip rollers and hardened tip wheel for reduced valve-tip scrubbing under racing loads
• 0.050 in. backset trunnion offset restores valve-stem alignment at half lift, helping reduce valve-guide wear and improve valve timing accuracy
• Full-roller design with precision needle-bearing fulcrum, CNC-machined alloy steel shafts, double heat treatment, and micro-finish ground internals
• No sure-locks included; supports up to 1.560 in. valve spring diameter and promotes lower friction for improved high-rpm valvetrain stability