S&S, 88" (1436cc) 3-5/8" big bore cylinder & piston kit - 79-84 80" Shovel; 66-78 74" Shovel with 4-1/4" stroke flywheels (NU) 500767 Offers instant classic looks but

Offers instant classic looks but there's more to these visors than look

93" big bore stroker engine

For 96-103 inch stock engines

a plastic snap

S&S, 88" (1436cc) 3-5/8" big bore cylinder & piston kit - 79-84 80" Shovel; 66-78 74" Shovel with 4-1/4" stroke flywheels (NU) 500767 Offers instant classic looks butFits all 79 84 stock 1340cc Shovelheads. Fits 66 78 1200cc Shovels custom equipped with 4 1 4" stroke flywheels (standard 1200 is 3 31 32" stroke). Comes complete with std length gloss black 3 5 8" Big Bore cylinders, forged pistons, rings, wrist pins, head base gaskets and cylinder head bolts and cylinder base nuts. 7 3 4: 1 Compression ratio. This kit combines power from the larger capacity and a very good engine life through the stock 1340cc Harley