(5) OEM GM 3951644 Spin-on Oil Filter Adapter Bolts Chevy Big & Small Block SBC

GM 3951644-5. Condition: New - Other.
Interchange: 19299222
This is for FIVE BOLTS - 5/16'' x 1.125'' bolt used for mounting GM spin-on oil filter adapter (P/N 19299222) to Gen I & Gen II Small Block engines. Two required per engine.
also fits BBC.