Standard Seat and Guide Application Chart

HEAD
INTAKE SEAT PIN
i.d.
EXHAUST SEAT PIN
i.d.
INTAKE VALVE GUIDE
EXHAUST VALVE GUIDE
BR 7, STS BR 7,
STS BR 7 273, BR 3, BP BR 3
P 2.300 3/8 1.812 P 1.680 3/8 1.345 SH 502 5/16 M7 SH 502 5/16 M7
STS BR 7 BS 273 P 2.300 3/8 1.812 P 1.680 3/8 1.345 SH 502 5/16 ML7 SH 502 5/16 ML7
BP BR 7 BS 285, BP BR 7 BS 300 P 2.300 3/8 1.812 P 1.680 3/8 A45 1.345 SH 502 5/16 ML7 SH 502 5/16 ML7
BR 7-3 P 2.250 3/8 1.812 P 1.680 3/8 1.345 SH 502 5/16 ML7 SH 502 5/16 ML7
-8, -10 P 2.200 5/16 1.812 P 1.650 3/8 1.345 SH 545 11/32 P SH 545 11/32 P
-8, -10 PKG P 2.200 5/16 LID 1.845 P 1.650 3/8 LID 1.385 SH 545 11/32 P SH 545 11/32 P
-8 RI, -10 RI,
-11 RI
P 2.250 5/16 1.812 P 1.650 3/8 1.345 SH 545 11/32 P SH 545 11/32 PL
-10X, -11X,
-11, T1 STD X,
STS T1 233,
STS T1 245,
BP HH SB O 229,
BP HH SB RO 225/234

P 2.250 5/16 1.812 P 1.650 3/8 1.345 SH 545 11/32 P SH 545 11/32 P
-10X, -11X,
-11 PKG, -11 X ASCS,
11 X SUPR
P 2.250 5/16 LID 1.845 P 1.650 3/8 LID 1.385 SH 545 11/32 P SH 545 11/32 P
BP 11 SP X,
-10X RI, -12, -18
P 2.250 5/16 1.812 P 1.650 3/8 1.345 SH 545 11/32 P SH 545 11/32 PL
-12, -18 Minor and Complete Port P 2.250 5/16 LID 1.845 P 1.650 3/8 LID 1.385 SH 545 11/32 P SH 545 11/32 PL
-18 SP X P 2.250 5/16 LIDX 1.900 P 1.650 3/8 1.345 SH 545 11/32 P SH 545 11/32 PL
12 X 12 P 2.250 3/8 1.812 P 1.670 3/8 1.345 SH 545 11/32 P SH 545 11/32 PL
BP 13 STD P 2.250 3/8 1.812 P 1.670 3/8 1.345 SH 545 11/32 PL WBMC SH 545 11/32 PL WBMC
FF 10 STD,
WP FF 13 STD,
WP BD 4510
P 2.350 3/8 1.960 P 1.680 X 450 1.345 SHC 545 11/32 MGL SHC 545 11/32 MGL
12 X 12 RP P 2.250 3/8 1.812 P 1.670 3/8 1.345 BH 545 11/32 P BH 545 11/32 P
WP LM 12 STD P 2.280 3/8 1.812 P 1.670 3/8 1.345    
CV SP P 2.270 3/8 1.812 P 1.650 3/8 1.345 BH 545 11/32 P BH 545 11/32 P
CV SP Minor and Complete Port P 2.270 3/8 1.812 P 1.650 3/8 LID 1.385 BH 545 11/32 P BH 545 11/32 P
ST STD -1 P 2.131 5/16 1.812 P 1.650 3/8 1.345 SH 545 11/32 P SH 545 11/32 P
T1 STD Bare,
RR 180, RR 200
P 2.131 5/16 1.812 P 1.650 3/8 1.345 SH 545 11/32 P SH 545 11/32 P
T1 STD Pkg,
SP CH, T1 FX, SP FO, SP MO
P 2.131 5/16 LID 1.845 P 1.650 3/8 LID 1.385 SH 545 11/32 P SH 545 11/32 P
IK 180, 200 Bare, Pkg, BP IK 210 P 2.131 5/16 1.812 P 1.650 3/8 1.345 SH 545 11/32 P SH 545 11/32 P
STS T1 215,
STS T1 227,
DS 225
P 2.200 5/16 1.812 P 1.650 3/8 1.345 SH 545 11/32 P SH 545 11/32 P
-10X WT P 2.250 3/8 1.812 P 1.650 3/8 1.345 SHC 545 11/32 MGIL SHC 545 11/32 MG
-12 B WT, -12 P WT P 2.250 5/16 1.812 P 1.650 3/8 1.345 SHC 545 11/32 MGIL SHC 545 11/32 MGL
-15 SP, -15 STD,
-16 STD
P 2.250 3/8 1.812 P 1.670 3/8 1.345 SHC 545 11/32 MGL SHC 545 11/32 MGL
-18 SP WT P 2.250 5/16 1.812 P 1.650 3/8 1.345 SHC 545 11.32 MGIL SHC 545 11/32 MGL
-18 SP C,
-18 SP C WT
P 2.250 3/8 1.812 P 1.670 3/8 1.345 SHC 545 11/32 MG SHC 545 11/32 MG
BD 1000,
WP BD 1000
P 2.250 3/8 1.812 P 1.670 3/8 1.345 SH 545 11/32 P SH 545 11/32 P
BD 1010,
WP BD 1010
P 2.250 5/16 1.812 P 1.650 3/8 1.345 SHC 545 11/32 MGL SHC 545 11/32 MGL
BD 2000, 2001,
WP BD 2000, 2001
P 2.270 5/16 1.812 P 1.650 3/8 1.345 SHC 545 11/32 MGL SHC 545 11/32 MGL
BD 2300 P 2.280 5/16 1.812 P 1.650 3/8 1.345 SHC 545 11/32 MGL SHC 545 11/32 MGL
BP AK 270, BP AK 275,
BP AK 285
P 2.270 5/16 1.812 P 1.650 3/8 1.345 SHC 502 5/16 AKML SHC 502 5/16 AKM
GB 2000, 2001, 2002, 2003, 2100, 2200 P 2.250 5/16 1.812 P 1.650 3/8 1.345 BH 545 11/32 P BH 545 11/32 P
GB 2300 P 2.270 5/16 1.812 P 1.650 3/8 1.345 BH 545 11/32 P BH 545 11/32 P
GB 2400 P 2.280 3/8 1.812 P 1.650 3/8 1.345 SHC 545 11/32 MBL SHC 545 11/32 MBL
WP GB 2000,
2001, 2002,
2003, 2100, 2300
P 2.250 5/16 1.812 P 1.650 3/8 1.345 SHC 545 11/32 MGL SHC 545 11/32 MGL
WP DR 1213 P 2.300 5/16 1.812 P 1.650 3/8 1.345 SHC 545 11/32 MGL SHC 545 11/32 MGL
BB-1, -2, -2 PLUS, BP RR BB-2 PLUS, RR BB-2 X,RR BB-2 XTRA, BP RR BB-2 XTRA P 2.350 3/8 1.960 P 2.006 3/8 1.625 BH 545 11/32 P BH 545 11/32 P
RR BB-O,
RR BB-R
DBP 2.350 3/8 1.960 DBP 2.006 3/8 LIDO 1.675 BH 545 11/32 P BH 545 11/32 P
STS BB-1, -2 P 2.350 3/8 1.960 P 2.006 3/8 1.625 BH 545 11/32 P BH 545 11/32 P
BP BB-2 PLUS, RR BB-2 PLUS P 2.350 3/8 1.960 P 2.006 3/8 1.625 BH 545 11/32 P BH 545 11/32 P
BB-1, -2, -2 PLUS PKG, DS 320, DS 365 P 2.350 3/8 BP 2.000 P 2.006 3/8 LID 1.655 BH 545 11/32 P BH 545 11/32 P
BB-2X, -2 XTRA, BP BB-2 XTRA P 2.350 3/8 BP 2.000 P 2.006 3/8 1.625 BH 545 11/32 P BH 545 11/32 P
BB-2X,
-2 XTRA PKG
P 2.350 3/8 LID 2.040 P 2.006 3/8 LID 1.655 BH 545 11/32 P BH 545 11/32 P
RR BB-3 XTRA, BP RR BB-3 XTRA O, BB-3, -4 P 2.460 3/8 2.000 P 1.960 3/8 1.625 BH 545 11/32 P BH 545 11/32 P
STS BB-4 XTRA P 2.460 3/8 LID 2.040 P 1.960 3/8 LID 1.625 BH 545 11/32 P BH 545 11/32 P
BB-5 P 2.460 3/8 LID 2.040 P 1.960 3/8 1.625 BH 545 11/32 PSA5 BH 545 11/32 PSA5
BB-3 PKG, -3 XTRA 345, -3 XTRA 363, 3 XTRA O P 2.460 3/8 LID 2.040 P 1.960 3/8 LID 1.655 BH 545 11/32 P BH 545 11/32 P
BP BB-3 XTRA,
BP BB-3 XTRA O
P 2.460 3/8 LID 2.040 P 1.960 3/8 LID 1.655 BH 545 11/32 3XPI BH 545 11/32 3XPE
BP HH BB 383 P 2.460 3/8 LID 2.040 P 1.960 3/8 LID A45 1.655 BH 545 11/32 3XPI BH 545 11/32 3XPE
BP HH BB 383 MC,
BP HH BB 395 MC
P 2.500 3/8 LID A45 2.040 P 1.960 3/8 LID A45 1.655 BH 545 11/32 3XPI BH 545 11/32 3XPE
BR X
P 2.460 X .450 1.960 P 1.900 X .450 A45 1.625 BH 545 11/32 P BH 545 11/32 P
SR 20
P 2.460 X .450 1.960 P 1.960 X .450 A45 1.625 BH 545 11/32 PSR BH 545 11/32 PSR
BP PB 1200, 1201, 1202, PB 1203,
BP PB 1204
P 2.580 X .450 A45 2.250 P 1.960 X .450 A45 1.625 BH 545 11/32 PL BH 545 11/32 PL
PB 1800, 1801, 1802 P 2.500 3/8 1.960 P 1.960 3/8 1.625 BH 545 11/32 PLI BH 545 11/32 PLI
BP PB 1803,
PB 1803, PB PB 1600
P 2.500 3/8 LID A45 2.040 P 1.960 3/8 A 45 1.625 BH 545 11/32 PLI BH 545 11/32 PLI
PB 2005,
STS PB 2005
P 2.580 X .450 2.250 P 1.960 X .450 1.625 BG 502 11/32 SSARL BG 502 11/32 SSAR
BP PB 2002 P 2.610 X .450 A45 2.250 P 2.030 X .450 A45 1.625 BG 502 11/32 SSARL BG 502 11/32 SSAR
DN-9 P 2.640 X .450 A45 2.250   1.625 BH 545 11/32 PL BH 545 11/32 PL
BP PB 5000,
BP PB 5001,
PB 5002
P 2.600 3/8 LID A45 2.040 P 2.006 3/8 LID A45 1.655 BH 545 11/32 PL BH 545 11/32 PL
BP LH F 17 195,
BP LH F 17 210
P 2.131 5/16 1.812 P 1.650 3/8 1.345 SH 502 11/32 P SH 502 11/32 P
ST 5.0, 5.0 R,
BP ST 5.0 R
P 2.131 5/16 F 1.730 P 1.650 3/8 1.345 SH 545 11/32 P SH 545 11/32 P
T1 F,
STS T1 F 214/225, 27-223
P 2.131 5/16 1.812 P 1.650 3/8 1.345 SH 545 11/32 P SH 545 11/32 P
BF 201, 202 P 2.250 5/16 1.812 P 1.670 3/8 1.345 SH 545 11/32 PL SH 545 11/32 P
BP T1 F STD X RI P 2.200 3/8 1.812 P 1.650 3/8 1.345 SH 502 11/32 PL SH 502 11/32 P
BP HH F 302 P 2.250 3/8 1.812 P 1.650 400 A45 1.345 SH 502 11/32 PL SH 502 11/32 P
B1 MO P 2.350 3/8 BP 2.000 P 1.834 3/8 1.515 SH 545 11/32 PL SH 545 11/32 PL
B1 MO MC P 2.460 3/8 1.960 P 1.834 3/8 1.515 SH 545 11/32 PL SH 545 11/32 PL
B1 BA, 27-222 P 2.131 5/16 1.812 P 1.650 3/8 1.345 SH 545 11/32 P SH 545 11/32 P
B1 BA MC P 2.200 5/16 1.812 P 1.650 3/8 1.345 SH 545 11/32 P SH 545 11/32 P
B1 BS, STS B1 BS P 2.250 3/8 LID 1.845 P 1.834 3/8 1.515 SH 545 11/32 PL SH 545 11/32 PL