77-79 Firebird Trans Am 301 Piston Rings MOLY TOP / +40 OVERSIZE HASTINGS

Quantity:
77-79 Firebird Trans Am 301 Piston Rings MOLY TOP / +40 OVERSIZE HASTINGS
    Code: HAS-2M139040
    Price: $48.42
    Shipping Weight: 2.00 pounds
    5 available for immediate delivery
    Quantity in Basket: None
    New Hastings engine piston ring set. These are conventional style rings, +40 oversize (for motors bored 40 over), for stock pistons, moly top compression ring. Set of 8 does 1 complete engine (8 top compression rings, 8 lower compression rings, 8 sets of oil control rings). Fits the following:

    77-79 Firebird/Trans Am w/ 301 Pontiac engine

    BORE : 4.040" (OVERSIZE BORE)
    TOP COMPRESSION RING : 5/64" (Moly)
    2nd COMPRESSION RING : 5/64"
    OIL CONTROL RINGS : 3/16" (STANDARD/DEEP DEPTH)

    NOTE : Pontiac 301 engines have 2 different depth oil ring grooves, 77-79 is deep depth (.190" and deeper), 80-81 is shallow depth (.170" and shallower). If you are unsure which depth ring you need, please contact us prior to ordering.