S&S Cycle 74" Top End Replacement Kit - 1966-1978 Big Twins With O-ring Heads

Save $258.00

Sale price$2,312.95 Regular price$2,570.95
In stock (100 units), ready to be shipped


  • Replace that worn out top end with the S&S 74" top end replacement kit.
  • Includes a set of S&S Shovelhead-style cylinder heads, a pair of S&S stock bore cylinders (3-7/16" for 74" engines or 3-1/2" for 80"), forged 8:1 compression pistons complete with rings and wrist pins, manifold clamps, manifold seals, all required hardware, and gaskets
  • Pistons are pre-fit to the cylinders, so there is no machine work to be done and very little down time
  • The moderate 8:1 compression rato allows your engine run well on readily available premium pump gas.
  • Made in the U.S.A.

    Bore Size: 3.4375"
    Displacement: 74"
    Stroke Length: 3-31/32"
    Compression Ratio: 8.0:1
  • Payment & Security

    American Express Apple Pay Diners Club Discover Elo Google Pay JCB Mastercard PayPal Shop Pay Venmo Visa

    Your payment information is processed securely. We do not store credit card details nor have access to your credit card information.

    You may also like...

    Recently viewed...