Shim Under Bucket Lifter (16 lifters)
Mazda 1800 Miata BP05, BP4W, BP6D
Protege Familia 323 BP 1800
Recommend for engines that will see sustained use above 7500rpm.
- Chrome-Molybdenum-Vanadium alloy. Stronger than the alloy used in OEM extruded lifters.
- 34.2 grams. The OEM lifter and shim are about 35% heavier
- Compatible with OEM or Supertech valve spring
6.0mm lash caps on the inner post of lifter required to set clearance.
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