Home / Engine & Performance / Head Misc / Manley Groove Lock Spacer – 4.125-4.155 . Bore – Set of 1 Manley Groove Lock Spacer – 4.125-4.155 . Bore – Set of 1€ 5,78 Manley Groove Lock Spacer - 4.125-4.155 . Bore - Set of 1 quantity Add to cart SKU: 462485-1 Categories: Cylinder Head, Engine & Performance, Head Misc, Head Misc Brand: Manley Related products Bolts & StudsEngine & Performance ARP GM DURAMAX 6.6L L5P CA625+ HEAD STUD KIT Engine & PerformanceTurbochargers Haltech Turbosmart GenV eWG45 Hypergate 45 Engine & PerformanceEngine Block JE-Pistons kit Ferrari 330 4.0L 24V 78.00mm 9.0:1 Bolts & StudsEngine & Performance ARP cabinet with black 12pt accessory bolts