Hastings 4.060" Bore Piston Rings 5/64 x 5/64 x 3/16" Thick Standard Tension Moly - 8 Cylinder ButlerBuilt Motorsports Equipment The SR33 compound was developed

The SR33 compound was developed for improved stopping power over the standard C1 compound and has a wider temperature range that will reduce brake fade

TECHNICAL SPECS: Weight: 35

Provides 14 PSI fuel pressure

Recommended spark plugs are Champion RC12YC or equivalent 14mm x 3/4" reach with flat gasket seat

Aeromotive's new Vacuum Pump Regulator allows you to control and adjust crankcase vacuum easily and effectively without the use of shims

Hastings 4.060" Bore Piston Rings 5/64 x 5/64 x 3/16" Thick Standard Tension Moly - 8 Cylinder ButlerBuilt Motorsports Equipment The SR33 compound was developedProduct Description: Piston Rings 4. 060 in Bore Drop In 5 64 x 5 64 x 3 16 in Thick Standard Tension Steel Plasma Moly 8 Cylinder For nearly 100 years, Hastings has earned its reputation as a leader in piston ring technology.