A

AJS
Model 20
1956-59
JP 0791
498cc, OHV, CR 7.8:1

Model 20, Spring Twin
1949-55
JP 0869
498cc, OHV, CR 7:1

Model 16M
1948-55
JP 0413
347cc, OHV, CR 6.3:1

Model 16, 16M, 26, 26SS, 26T Silver Streak
1935-46
JP 0751
347cc, OHV, CR 7:1

Model 16MS, 16M High Comp.
1948-64
JP 0792
347cc, OHV, CR 7.5:1

Model 14, Sapphire
1959-60
JP 0891
248cc, OHV, CR 7.8:1

Model 30
1956-58
JP 0790
592cc, OHV, CR 7.5:1

Model 8
1960
JP 0894
348cc, OHV, CR 7.4:1

Model 31CS, 31CSR
1958-59
JP 0789
646cc, OHV, CR 8.5:1

Model 31CS, 31CSR, Hurricane
1960-66
JP 0633
646cc, OHV, CR 8.5:1

Model 18
1947-55
JP 0680
498cc, OHV, CR 7.2:1

Model 18
1947-55
JP 0680A
498cc, OHV, CR 8.5:1

Model 18S
1956-59
JP 0592
498cc, OHV, CR 7.3:1

Model 37/2-40/2A
1937-40
JP 0905
990cc, SV, CR 5:1

Model 18CS
1960
JP 1094
497cc, OHV, CR8.7:1

ARIEL
Model 4F, 4F/6-32, 4F/6-33
1932-36
JP 0795
599cc, OHC, CR 5.8:1

Square 4 Mk I, 4G, 4H
1937-55
JP 0794
995cc, OHV, CR 6:1

Square 4 Mk II, 4G, High Comp
1953-59
JP 0798
1000cc, OHV, CR 7.2:1

A10, Golden Flash
1954-59
JP 0440
646cc, OHV, CR 7.25:1, only .020" and above

FH Huntmaster
1950-59
JP 1039
650cc, OHV, CR 6.5:1

FH Huntmaster
1954-59
JP 1037
650cc, OHV, CR 9:1

FH Huntmaster
1952-63
JP 1038
650cc, OHV, CR 9:1

NG, NH, Red Hunter
1939-55
JP 0893
350cc, OHV, CR 6.3:1

VG, VH, Red Hunter, High Comp
1935-46
JP 0797
497cc, OHV, CR 7.5:1

HS
1954-58
JP 0622
497cc, OHV, CR 9:1

A, B, VB
1928-31
JP 0770
550cc, SV, CR 5.4:1

SB31, 32; VB, VB33: VA3, 4
1931-59
JP 0583
550cc/600cc, SV

Contacting JP Pistons

25-31 Innes Rd
Windsor Gardens
South Australia 5086
Australia

phone: +61 8 8261 7222
fax: +61 8 8261 9171
email: pistons@jp.com.au