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BT Cylinder Base Studs feature
heat treating and interference
thread at Cylinder Base. Sets of 8.
VT No. OEM
Fits
8856-8 16831-30 1930-77
12-2100 16831-30 1930-77
8857-8 16837-78 1977-84
12-2101 16837-78 1977-84
484
Pan-Shovel Cylinder and Piston Kits
Cylinder and Piston Kits are honed and pre-fitted with 8.5:1
stock compression cast pistons and Hastings Rings.They are
ready to run and will require break-in as suggested in the
appropriate shop manual. Sold in pairs for stock stroke only.
Order gasket set separately.
VT No. Years
Panhead 74"
11-2602 1948-65
Shovel 74"
11-2603 1966-78
Shovel 80"1979-85
8:1
8:1
11-2613 GME/Wiseco
9.5:1
11-2614 GME/Wiseco
7:1
3 5/8" Shovel
11-0058 3 5/8" Shovel Set (.200 Taller) 7.25:1
Metal Cylinder Base Gasket
has a steel base metal which
has been coated on both sides
with a specially formulated high
temperature oil resistant rubber
compound. Silicone beading around the inner and outer
perimeter forms a seal on both sides of gasket, pairs.
James Fits
15-1087 Shovelhead
15-1123 Shovelhead 3 5/8" Big Bore .032 Thick
15-1122 Shovelhead 3 5/8" Big Bore .020 thick
15-1090 Panhead
15-1227 1936-47 Knuck
80" Ductile Cast Iron Cylinder Set includes 8:1 compression
fitted cast pistons with Hastings rings.
VT No. 11-2621
Replacement
Cylinders Only for
stock bore, stock stroke
and compression. Must
be honed to standard
size for proper fit. Sold
each without piston.
VT No. OEM
Type
1948-65 Panhead 74"
11-0502 16485-48 Front
11-0503 16494-48 Rear
1966-78 Shovel 74"
11-0500 16484-66 Front
11-0501 16492-66 Rear
1979-85 80"
11-0496 16498-80A Front
11-0497 16499-80A Rear
Front
Rear
Note: The use of Colony 12 point Head Bolts 8714-20 chrome or
8618-20 black and cylinder base nuts 8600-8 in chrome or 8601-
8 in black will allow extra clearance for tightening when neces-
sary on 1948-84 Big Twin cylinders.
74" S&S Cast Iron Cylinders for Shovels are stock length and
include base nuts, head bolts, head and base gaskets.
VT No. Size Fits
CI
11-0062 3 7/16" 1966-78 74"
11-0063 3 1/2" 1978-84 80"
Over 40,000 Pieces Served Since 1978!