486
 Replica Piston Kits
V-Twin Piston Kits include 2 Cast Alloy Pistons, Genuine Hastings 3-Piece Ring Set, 2 Wrist Pins and 4 Circlips. All Big Twin
Pistons have a Steel Expansion Control Strut Cast as original.
61-74-80 OHV Piston Set use 22588-78 Pin Lock, VT No. 12-0929. 
COMP STD
 STD 8.5:1 LOW 7.5:1 HIGH 10:1 8.5:1
 STD 8:1 LOW 7:1
61" OHV 74" 1200cc 74" 1200cc 74" 1200cc 74 Stroker
 80" 1340cc 80" 1340cc
Dia. 3
5
/
1 6
" Bore 3
7
/
1 6
" Bore 3
7
 /
16
 " Bore 3
7
/
16
 " Bore 3
7
/
16
" Bore (S&S) 3 1/2"Bore 3 1/2"Bore
STD
.010
 —
.030
 —
.050
 —
 Shovel Shovel
 —
 —
.070
 —
 —
 —
 —
 —
.080
 —
 —
 —
 —
 —
COMP 8.5:1
 8.25:1
 8.25:1
 7.5:1
4
1
/
2
 " Stroker 4
5
/
8
 " Stroker 4
5
/
8
"Stroker 4
1
/
2
" Stroke
Dia. 3
7
/
1 6
" Bore 3
1
/
2
 " Bore 3
7
/
16
 " Bore (S&S) 3
 5
/
8
" Big Bore
STD
.010
 —
.020
 —
 —
.030
 —
 —
.040
 —
 —
 —
.050
 —
 —
 —
.060
 —
 —
 —
 3 5/8" S & S Big
Bore .058
Compression Ring
Mfg.# S&S 94-1210 
Moly
Ring Sets
Hastings Piston Ring Sets are replacements for OEM ring
sets. 61" and 74" FLH type will fit V-Twin Pistons. 74" FL type
to fit OEM Pistons only. Also fit any of our cast pistons. Include
cast compression rings and a 3-piece oil ring. Except where
noted. Sold in sets for two pistons.
Model
 61" OHV 74" FL
 74" FLH
SizeBore 3
5
/
16
 3
7
/
1 6
"
3
7
/
1 6
"
Comp Ring
 3
 /
32
 "
 3
/
32
"
 1
/
16
"
Oil Ring
 3
 /
16
 "
 3
/
16
"
 3
/
16
"
 Moly
Mfg.#
 6627 5193*
 6482
 2M6482
STD
.010
.020
.030
.040
.050
.060
.070
.080
*Note: Features One Piece Oil Control Ring.
80" FL-FX Shovelhead 1340cc
Mfg. #
 6127 2M6127
Cast Moly
STD
.010
.020
.030
.040
 3
5
 /
8
" Big Bore Shovelhead
5
/
64
" Compression Ring
Mfg.# 
2M5722
Moly
STD
.010
.020
.030
3
5
 /
8
" Big Bore Shovelhead
1
/
16
" Compression Ring
Mfg.#
 2M5721
Moly
STD
.010
.020
.030
 One Piece V-Twin Cast Iron
Ring Sets for 2 pistons with one
piece oil ring.
Dia. 1200cc 1340cc
FLH 3
7
/
16
"3
1
/
2
" Bore
Bore 74" 80"
 —
 —
 —
Over 100,000 Kits Served since 1976!
 Wrist Pin & Lock Kit replaces 22760-73. 1948-85
 Wrist Pin Locks. 10 pk.
VT No. Year