Cam Followers, commonly called Lifters or tappets, are between the camshaft and the pushrods.
Contents |
Overview
The camshaft pushes up on the lifters, opening the valves.
Installation/Replacement
Always use new lifters with a new or rebuilt camshaft, and follow the break-in procedure.
Inspect for Damage
Good lifter on right, bad lifter on left.
Cam lobe worn due to insufficient lubrication (or incorrect break-in)
Large Diameter Lifter
At right is the standard valve lifter, but the umbrella diameter is not enough in the cam where the lift quantity is large. The left's umbrella diameter is larger:
Tomei Lightweight lifter☁(軽量リフター) 33.600円 per set (about $350 USD).
Tomei Hollow Valve Lifter -- 36 grams
B-Pro Lifter
An ecomonical lifter from B-Pro, is lighter (50g) than the stock A-series lifter (60g+).
This B-Pro lifter was already discontinued.
Lightweight lifter☁ 33.600yen/per set.
Part Numbers
13231-H1001 Stock Cam Follower $15.64 USD * superceded 13231-H1000 * Fits B110, B210, B310 * Fits A12, A13, A14, A15 * About 60 to 63 grams each
13231-M0821 Lightweight Cam Follower * A high-performance alternative to the stock cam lifters. Each is 24 grams lighter than 13231-H1001. * 32 to 37 grams
avg weight 36.84g
13231-78201 Oversize Cam Follower * Required when installing certain extra-high performance camshafts