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All Engine Pro valve springs are manufactured using the highest quality chrome silicon or high tensile chrome silicon vanadium alloy materials
5/64"- 3/32"- 3/16" Standard Tension
Thread Length (in
Clevite Connecting Rod Bearing Set CB818P40 Specifications
Pontiac 421
ARP Connecting Rod Bolts 184 All Engine Pro valve springs184 Connecting Rod Bolts Specifications Cap Retention Style Through bolt Connecting Rod Bolt Material 8740 chromoly steel Connecting Rod Manufacturer Stock Fastener Yield Strength (psi) 200,000 Nuts Included Yes Rod Bolt Head Style A Rod Bolt Nut Style Hex Applies to: Olds 307 350 403 425