Pro Circuit 4 X 1.5 Canister Quiet Insert PC4012-0007 838485015635 Offroad > ENGINE > Engine

Offroad > ENGINE > Engine Other > Spring Set

The “X” in the part number refers to higher load ratings than standard wrapped belts The lower

The old standard shims will not hold up to the extreme spring pressures and high RPM in today's race engines

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Taper facedOil Ring:  2mm (

Pro Circuit 4 X 1.5 Canister Quiet Insert PC4012-0007 838485015635 Offroad > ENGINE > EngineBrand Pro Circuit Model TRTD5311 Color Silver Size 1 1 2" The Pro Circuit Stainless Insert is available in multiple sizes to make your motorcycle quieter, without the loss of power. These inserts are available for both the 4in. canister and 3. 5in. canister. Call for applications Note: 2007 2008 Stainless Inserts will NOT fit older model end caps Pro Circuit Stainless Steel Quiet Inserts Are Available in Multiple Sizes to Make Your Motorcycle Quieter,