Two required per valve, necessary for use with certain supertech valves
Two required per valve, necessary for use with certain supertech valves
Bare head with guides and seats only
The strongest and smoothest bearings for your BMW, featuring heavy-duty ACL "Duraglide" bearing shells treated by WPC for reduced friction and enhanced durability.
10X Entries Into Our F80 M3 Sweepstakes
This product was last offered at the strikethrough price on
06-13-2026
Complete cylinder head with guides, seats, valves, springs, and all neccesary hardware for installation
Includes all neccesary hardware for installation
Upgrade your Rod Bearings to a performance oriented option!
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
This product was last offered at the strikethrough price on
05-21-2026
.25 Oversize Bearings
Performance Coated Main Bearing Set for the M54 Engine - Std. Size
Performance Coated Rod Bearing Set for the M54 Engine - Std. Size
Friction-resistant rod bearings for maximum performance!
Don't let hydraulic lifters limit your revs
Includes upper and lower bearing shells for a complete rod bearing replacement.
Two required per valve, necessary for use with certain supertech valves
One of the best valves for high performance applications!
Performance Coated Main Bearing Set for the M5X Engine Platform - Std. Size
Rev higher and drive faster with confidence.
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
This product was last offered at the strikethrough price on
10-18-2026