MAHLE Original Piston Rings - 4.040" Bore - 5/64 x 5/64 x 3/16" Thick - Standard Tension - Moly - 8 Cylinder 42030BL The thread connection is 1/2

The thread connection is 1/2 in

1976-1986 Pontiac Parisienne

Clamp / Bolt-On

Rear Main Seal Housing

D-Hole Beadlock

MAHLE Original Piston Rings - 4.040" Bore - 5/64 x 5/64 x 3/16" Thick - Standard Tension - Moly - 8 Cylinder 42030BL The thread connection is 1/2Product Description: Piston Rings MAHLE Original 4. 040 in Bore Drop In 5 64 x 5 64 x 3 16 in Thick Standard Tension Cast Iron Plasma Moly 8 Cylinder MAHLE Performance boasts the most extensive line of performance engine bearings in the market hands down. Combining the legendary CLEVITE bearing brand for domestic applications with the global coverage in the MAHLE brand for the import market, MAHLE Performance truly is the engine bearing of choice in