ARP Main Bolt Kit For FA20 Ignition Reliable and accurate user configurable

Reliable and accurate user configurable Closed Loop Control

Our Blocks are all bored/honed using torque plates

Brand new OEM case bolts for your Subaru EJ engine

Bolt P/N: BT61501-S

ARP Main Bolt Kit For FA20 Ignition Reliable and accurate user configurableCase studs are required when all out performance is the goal, it tightens the crankshaft cavity from opening up or the case halves shifting, both which can lead to premature bearing or crankshaft wear, loss of oil pressure or catastrophic failure. Anytime case bolts are introduced to the case, a line bore or line hone is required as the higher recommended bolt torque egg shapes the current bore.