Replacement: for S-BC/G-M G-EN II,III,IV,LS Block with Hydraulic Roller C-a/m '87-99.
Fitment: for S-BC/G-M G-EN I Retrofit Early C-a/m Block Covert to Hydraulic Roller C-a/m '55-87. for S-BC G-M/Che-vy All V6&V8 262/294/305/323/325/350/376/378/427.
8620 Steel Body Outside Diameter : 0.842". 9310 Steel Wheel Diameter : 0.700". Effective Working Length : 2.500" (Seat High)
High-quality replacement part, made of high-quality materials and fully tested to ensure long-term effective operation.Strength and toughness higher.
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