5 mm stem valves to suit GM and all Jawa ( JRM ) motors, including 250 & 350 cc.
35 mm inlet & 30 mm exhaust for GM 500
35 mm inlet & 30 mm exhaust for Jawa (JRM) 500
30 & 32 mm inlet for Jawa (JRM) 250, 350 cc
26 & 27 mm exhaust for Jawa (JRM) 250, 350 cc

Quality aluminium bronze valve guides to suit both JRM ( Jawa ) and GM engines. Suitable for 5 mm valve stems.

Quality spring retainers for 5 mm stem valves and VS03 springs. Collets to suit 5 mm stem valves, hardened lash caps to fit over the top of 5 mm stem valves.

Double springs to suit 5 mm valve kits.Inner and outer valve spring sets, designed and developed by the Institute of Spring Technology for use in track racing engines. These springs undergo hot pre stressing to ensure durability and are life tested to 1.3 million cycles.
These have a lighter spring pressure to suit lightweight 5 mm valve kits.

Tappet adjuster kits to replace standard Jawa tappets, kits consist of machined tappets with hexagon heads, lightweight K nuts and GM type buckets. These kits are suitable for both 5 and 6 mm valve stems.

Inner and outer springs specially designed for todays high revving, high lift engines. Tested to over 14,000 rpm these springs are suitable for even the most radical cam lifts.
Fits our 6 mm retainers.

These valves are made specifically for PJR. 6 mm valves stems with 29, 30, 34 & 35 mm diameters heads for Jawa. 30, 34 and 35 mm heads for GM engines.
Gas flow tests show a marked improvement over standard equipment.
Available individually or in sets.

Inner and outer valve spring sets, designed and developed by the Institute of Spring Technology for use in track racing engines. These springs undergo hot pre stressing to ensure durability and are life tested to 1.3 million cycles.
2006 BRITISH SPEEDWAY GRAND PRIX WINNER

Aluminium spring retainers to suit TEP springs with GM/PJR valves and oversize collets or TEP springs with Jawa valves and standard colletts.

96 x 2 mm viton o rings for use in sealing between head and cylinder. Suitable for both long and short stroke cylinders.

IWIS and TSUBAKI cam chain to suit all Jawa and GM long and short stroke engines.
87 and 88 link Iwis cam chain supplied with split link and soft link to suit GM motors.
Endless 98,100,102,104 and 106 link Tsubaki cam chain to suit Jawa motors.
Other length chains made to order.
All chains supplied ready to fit.

A full range of motorcycle and automotive spark plugs and other NGK/NTK products are available at extremely competitive prices.

Our recommended spark plug is the R0045G/J surface discharge plug. This product has no electrode and reduces the risk of expensive engine failures.
We also stock the R0373A-10 which replaces the R016 & R017 range.

With the R016 and R017 range of plugs either discontinued or replaced, there is now a budget alternative to the R0045G -10 and the R0373A - 10.

Plastic holder for all types of spark plug. Available in Red, Blue or Yellow.

TR5A-10 OZA446-E6 B10EG B11EGV
OZA428-E3 OZA531-GM1 PKR7A BP6EVX
OZA253-F6 OZA531-GM2 IMR8C-9H Y-307R
OZA55-R2 OZA531-GM3 LFR6A-11 PFR5N-11
OZA83-VN1 OZA448-E12 IFR6L11 ZGR5A
OZA216-D3 OZA446-E3 PFR6E-10 PMR8A
OZA311-R2 OZA33-D8 BKR6EY BCP6E
OZA446-E41 LZA07-V2 Y-523J ER9EH
OZA447-E14 OZA531-GM6 Y-918J BR10ECS
OZA401-E50 OZA446-E7 B7S BKR7EKU
OZA384-E32 OZA446-E4 BP5EFS IZFR5G
OZA55-R3 OZA55-R1 BCPR6EY-11 R0409B-10
OZA89-D2 LZA07-V3 BR5HS Y-935U
OZA222-RV1 OZA401-E6 BPR8HS BM6A
OZA333-H4 OZA510-V10 BCPR6ES-VP4 B10EGV
OZA446-E46 OZA510-V11 BKR6EZ-VG4 BPR7HIX
OZA401-E51 OZA510-V6 BKR5EZ-VG4 BPM6F
OZA401-E55 OZA510-V7 PFR6N-11-VP4 R0045Q-11
OZA55-R4 OZA446-E18 PFR6B-VP4 R5670-8
OZA112-A1 OZA65-A2 BKR6EIX-11 R6061-10
OZA236-R1 OZA89-D1 Y-703R Y-524J
OZA333-H5 OZA531-GM16 BKR6ES Y-927J
OZA446-E42 OZA531-GM22 PTR5D-10 Y-742U
OZA448-E31 OZA575-GM1 Y-501U Y-929U
OZA401-E57 OZA575-GM2 CR8EHIX-9 BPMR4A
OZA401-E56 OZA446-E11 B8S R5883-11
OZA446-E45 OTA4F-5B1 BP6EFS BKUR6ET-10-VP4
OZA83-R1 OTD2F-3K1 BP8HS-10 BKR7E
OZA112-A3 OTA4F-5F1 Y-204TS1 BP6ET-VP4
OZA236-R2 OZA448-E58 BR10EG BKR5EK-VP4
OZA333-H6 OTA7N-5A1 Y-502R BP6ESZ-VP4
OZA448-E38 OTA5F-3C1 R5673-9 BPR5EFS-VP4
OZA446-E44 OTA4F-5G2 R6725-105 PZFR5D-11-VP4
OZA401-E52 OTA6F-3A1 BKR6EYA-VG4 BKUR6ET-VP4
OZA85-M1 OTA7H-3A1 CY55 TR5A-10-VP4
OZA401-E58 OTA7N-5A2 BP5ET-VP4 BCPR5ES
OZA83-R2 OZA25-KH1 ZFR6F-11G Y-933R
OZA245-H1 OTA4F-5E1 Y-910J Y-712RS
OZA401-E53 OTA7H-3A2 BPR6EIX-11 BCP6ES-VP4
OZA25-F3 OTA4F-5C2 BR6HS JR9C
OZA73-F1 OZA447-E36 BPR8ES BP6EF-VG4
OZA83-R3 OTA7H-3C1 DCPR7E ZGR5A-VG6
OZA245-H2 OTA7N-5C1 BKR5EKU BP5EA-L
OZA448-E29 OTA7N-5E1 Y-913M CR9EHIX-9
OZA447-E13 OZA25-KH3 BKR5EKB-11 BM6F
OZA25-F1 OTA7N-5B1 BPR5EP-11 BPR5HS
OZA186-F5 OTA7N-5D1 BR8ECS BPR5EA-L-11
OZA83-R4 OTA7N-5D2 PFR7H-10 BK7EKU
OZA216-D2 OTA7N-5D3 BR9EIX PLFR5A-11
OZA311-R1 R7282-10 APR6F-VG4 Y-306R
OZA446-E40 R7282-11 PGR5A Y-504J
OZA446-E43 BPR7ES ER8EH R6918B-7
OZA428-E2 BM6 PFR6B-11 CR9E
OZA33-D5 Y-103V ZFR4F-11 CR10E
OZA527-E3 B6EFS PFR6A-11 CR9EIA-9
OZA446-E50 B8EGP BPR7EIX PFR6H-10
OZA448-E45 BPM8Y BKR6EYA-11 BM7
OZA572-E8 BCRE527Y BCP7ES-VP4 BCP6EVX
OZA333-H27 B105EGP BPR6HIX Y-103K
OZA527-E7 BCP7ET IZFR6F11 BP6HS-10
OZA447-E21 BPR6ES-VP4 B-4H Y-112T
OZA527-E4 CR8HSA BP5HS BPMR4A-10
OZA527-E12 BKR5EYA Y-937J ZGR5C
OZA334-A1 BKR7EKC-N BR7ET BKR5EIX
OZA112-A2 BCPR5EP-11 BR7HS DR8EVX
OZA447-E22 R5540F-11 BR5FS DR9EVX
OZA448-E47 D8EA B4ES LFR5A-11
OZA334-A2 AP7FS BR4-LM B5ES
OZA446-E53 B7HS-10 R5673-8 BKR6EIX
OZA448-E48 BMR6F BCPR5E-VG4 CR9EHI-9
OZA572-E5 B95EGV DCPR8E BM7F
OZA519-D1 BUZHW Y-918R BPR7HS
OZA334-A3 Y-115R1 ZGR5B-VG4 BPR6EY
OZA502-E31 Y-182T B5HS BRE529Y-11
OZA572-E11 BCPR7ET R0045Q-10 BU8H
OZA572-E2 B105EGV CR8EIX DCPR9EVX
OZA527-E5 BUZHW-2 BR8ET BKUR6ET
OZA572-E13 BP5E-VG4 BMR7A ZFR6FIX-11
OZA421-H1 B9EGP BPR6EY-11 ZFR6S-Q
OZA445-E6 Y-118R BR10ECM PFR6Q
OZA447-E16 Y-197R PZFR7G-G BPR6E
OZA448-E41 Y-115T1 PMR7A ILFR6B
OZA527-E10 B11EGP Y-503R CR10EIX
OZA572-E3 BCPR6ET ZFR6F-11 BP5ES
OZA527-E2 DPR8EIX-9 BR6HSA D6HA
OZA501-H17 Y-729U CY53 BM7A
OZA445-E7 A6FS BR8HS Y-106-1
OZA447-E17 BKUR6EK BR6FS Y-114T
OZA448-E42 BKR6EP-8 Y-922R CR5HSB
OZA572-E12 BPR5EFS Y-504R IMR9D-9H
OZA527-E22 BR5FS-15 PZFR5F-11 Y-530J
OZA572-E10 AP8FS PFR7G-9 IFR9H11
OZA333-H19 Y-902R BUR6ET-VP4 BPR5EIX
OZA446-E48 BKR6EYA PFR6G-9 Y-933J
OZA447-E18 B9HVX R7345-8 Y-107V
OZA448-E43 APR6FS-VP4 ME-8 BPR6EIX
OZA572-E1 ZFR5F-11 Y-506R PTR5D-13
OZA527-E8 BPR2ES BPR5ES-11 BPR6ES-11-VP4
OZA527-E13 Y-730U ZFR5E-11 LFR6B
OZA573-E1 BP5ET Y-916J DR8EIX
OZA527-E24 BKR6EK CR7EKB IGR7A
OZA333-H25 PFR5B-11 R7376-10 CR5EH-9
OZA446-E49 LZTR5AIX-13 ITR6F13 BPR6HS-VP4
OZA448-E44 BCRE527Y-VG4 Y-907R ZFR6K-11
OZA572-E4 BUE A8FS BPMR6A
OZA527-E19 BCPR6ES R6918B-8 BP8HS-15
OZA527-E15 PFR6G-13E BPZ8H-N-10 IFR6E11
OZA333-H26 BKR5EY-11 BCPR6EP-N-11 BPR8HIX
OZA74-F1 BP5ES-VP4 R7345-9 BPR6EVX
OZA510-V2 CR10EK B6HS BP6H-VG4
OZA488-D1 DCP7E BP6HS IMR9C-9H
OZA448-E49 BCPR6E-VG4 BR9HS LZKAR7A
OZA447-E26 BPR6H-VG4 BR9ET BR10EIX
OZA334-SZ3 R6252E-105 Y-911R C8HSA
OZA572-E14 BKUR6ET-10 CR9EK Y-110
OZA532-A3 Y-732U CR7HSA Y-404
OZA510-V3 B8ES BR9HS-10 BUR6EFSZ
OZA457-I1 BP7ES BP6H-VG BKR6EVXA-11
OZA448-E50 D9EA TR5B-13 R2349-10
OZA447-E27 BUH BPM6Y BPR6EFS-VP4
OZA334-SZ4 BPR5FS BCP6ET ZFR5P-G
OTA7H-3C2 Y-162R1 Y-204RS Y-507J
OZA572-E9 BR10ECMVX CR7E CPR6EA-9
OZA510-V4 PTR5A-13 BUR8EQP Y-719RS1
OZA502-E28 BKR5E-VG4 Y-908R BL-6H
OZA448-E51 ZFR5FIX-11 IFR6T11 Y-106V
OZA447-E28 ZFR6F-11-VP4 Y-507R Y-810
OZA341-RV2 Y-519J Y-909R B7EVX
OZA527-E18 BKR6EKPA R7282A-105 BKR5E-11
OTA7L-3C4 BUHX BKR6EZ CR9EB
OZA74-F2 BKR5EYA-11 DR5HS BKR6E
OZA527-E16 BPR4FS-11 BPMR7A CR6E
OZA510-V5 B7ECS C7HSA IMR9A-9H
OZA502-E34 BPR6EY-11-VG4 BPR6HSA PTR5A-10-VP4
OZA448-E52 Y-112M1 PFR5J-11 BKR6EKU
OZA447-E29 Y-203 R7438-9 IZFR6K11
OZA341-W2 BKR5EVX R7434-9 BR8HIX
OTA7L-3C3 BKR6EP-13 R7433-9 BPM6A
OZA527-E25 BKR6EVXA-13 CR7EB BPR6HS
OZA527-E17 B9ES BPR6EF CR6HS
OZA74-F3 BUHW BP6EF R0045J-11
OZA502-E35 BPR6FS R5883-10 BP7ES-VP4
OZA448-E53 BP8HS BP5E B8EVX
OZA447-E30 BPR6HS-10 Y-716RS B9ECS
OZA446-E55 B8HVX CR4HSB BR7HIX
OZA381-D2 DCPR9E Y-745U BPR5E
OZA516-AU1 Y-914U FR9BI-11 BKR6EYA-11-VG4
OTD3G-3A1 PFR5G-11 BP7EFS-VP4 D8HA
OZA186-F7 YE01 BR5ES LFR5B
OZA502-E36 BKR7EIX BPR5EV BCPR6ES-11
OZA448-E54 BKR8EIX BCPR7ES-VP4 AP6F-VG4
OZA447-E31 BKR9EIX DPR8Z DR8EA
OZA446-E56 BP8EVX R6252E-9 DCPR8EKC
OZA381-D3 BPR6E-VG4 Y-910R BPR4ES
OTD3J-5B1 PFR6B-11C R7282A-11 CR7HS
OZA527-E27 Y-722J DR9EIX BPR7ES-11
OZA277-R2 CY51 LFR5AP-11 Y-128T
OZA501-H23 R6179A-105P BPR5EY-VG4 CR8HVX
OZA448-E55 AP6FS BKR6EK-VP4 R6888A-9
OZA447-E32 BPR6EF-VG4 DCPR7E-N FR5-1
OZA446-E57 BPR4FS-15 DR6HS B9EVX
OZA384-E39 Y-181T BPR6ES-11 BUR5ET-10
OZA334-AU1 R6252K-105 DG237 BP7EVX
OTD3J-5C1 PFR6J-11 DPR9Z CR6HIX
OZA527-E28 BKR6E-11 BR10ES B6ES
OZA532-A1 PFR5G-13E BPR5E-VG4 BPM7A
OZA507-R2 Y-701RS BP8H-N-10 BP5EY
OZA448-E56 R5883-9 Y-746R Y-811
OZA447-E34 Y-916R PFR7B B10EVX
OZA446-E58 BKUR5ET DR8EB ZGR5B
OZA384-E40 RE9B-T BKR4EVX BKR7EKC
OZA334-SZ1 B8ECS IJR8B9 BKR5EY
OTA7H-5A1 BPR5EY PFR7M R0045J-10
OZA527-E29 D9EVX IZFR6B CPR8E
OZA532-A2 R5525-11 IMR9B-9H DCPR8EKP
OZA510-V1 BKR6EKC R7434-8 IFR5J11
OZA448-E57 D8EVX R7434-10 BMR6A
OZA447-E35 ER10EH R7435-8 BPR5ES
OZA447-E25 CR5HS R7435-9 CR8HS
OZA334-SZ2 DPR5EA-9 R7435-10 BUZ8H
OZA527-E9 BKR5EKUP R7436-8 R5184-10
OZA569-H1 CX51 R7436-9 R5300A-95
A-6 AB-6 R7436-10 Y-701R
Y-515J BP-4 Y-506J Y-119V
BPMR6A-10 BP8ES R7438-8 C8E
Y-112R1 APR6FS BCPR6EIX-11 BR10ET
ZFR6A-11 DR8ES-L BPM7Y Y-146R
B8EFS BPR5FS-11 BR6ES Y-403T
B6HS-10 Y-103-2 DPR8EA-9 BCP5ES
Y-702R B10HVX BCP6ES B85EGV
B9EFS R0045G-10 Y-707RS C9E
BCP4ES-11 BCPR5EP-8 R0373A-10 CR9EH-9
BR6HS-10 Y-118T1 Y-924U D6EA
BP6E-VG4 R6918B-9 Y-747U BP9ES
BPR7HS-10 ZFR7F-11 Y-932R BP6E
BPZ7HS-10 A7FS PGR6A CMR7A
BR7EFS BKR6EP-11 R7282-105 CR7HIX
BCPR7ES-11 Y-531J Y-748U Y-911J
BR4ES CR6HSA Y-503J BR9EYA
BR7HS-10 AP6F-VG Y-749J PZFR6F
YE04 PFR5G-11E BPR4HS-10 BKUR5ET-10
A-7 AB-7 BCP7ES IZKR7B
B7ES BP5S BR8EIX BKR6E-VG4
BPR4FS CY52 Y-925R PTR6F-13
BPR6EKN AB-2 PTR5A-10 CMR5H
BR8HS-10 B7FS Y-741U Y-204SS
BPR7E BPR5EY-11 IFR8H11 BP6ESZ
BPR7EY Y-178T ZFR5A-11 R0256R-10
BCPR5E BR8ECM C7E BKR5EZ
BCPR6EY Y-706R Y-740U PLFR6A-11
B2-LM CMR7H B7HS IFR6J11
BPR5ES-VP4 IGR7A-G BP7HS CR8HIX
BR8HCS-10 B-2 Y-701J BKUR7ET-VP4
DCPR7EVX B-4L BR7ES BMR2A
BKR5EVXA-13 APR5FS DR8HS BCP7EVX
A-8 DR7ES B8HS-10 DPR7EVX-9
CMR6A BPR5FS-15 BR7EQ PZFR6H
Y-107R BR8EG DPR7EA-9 BP6EY
Y-207T BCPR6E-11 BCR8ES-VP4 Y-203V
Y-705RS BPZ8HS-10 PTR4B-15 BPR7EKN
Y-208T BP6ES-VP4 Y-937R PTR5C-13
BP6ET BPR5ES-13 R4630A-9 IFR7G-11KS
BPM7F BKR6E-11-VG4 BP5ET-10 R7376-9
BCPR6E BUR6ET ZFR5F Y-755RS
BPMR6F R847-10 Y-927R PFR7G-11S
BCPR7E BR6EF BKR6EKC-VP4 Y-532J
BCPR5E-11 BPZ8HS-15 R6918C-9 CR8EB
CR8E JR9B BCP5ES-VP4 CR9EKPA
BKR7E-11 R0045G-11 LKR8A R0409B-8
JR10B BKR6EQUP BKR5EKC R0409B-9
Y-516J PGR7A B10EGP DPR7EIX-9
OZA583-GM1 CZ51 BCPR7E-VG4 BP6ES
OZA583-GM2 B-4 BUR9EQP BPR6ES
OZA488-D2 B-6L BPMR6Y BPR4HS
OTA4N-5G1 Y-917U BPR7E-VG4 BP7HS-10
OZA534-A1 C6HSA Y-711J B7HVX
OTA4F-3B1 BR9EG Y-938R DR7EA
OZA534-A2 R4118S-8 BCP6E-VG4 PZTR5A-15
OTA4N-5B1 Y-709R A9FS IFR5N10
OZA488-SZ1 ZFR5F-11-VP4 Y-731U BKUR7ET
OTA4N-5H1 R4118S-9 BCPR6EP-N-8 BCPR5ES-VP4
LZA07-AU1 BR9ECM R2525-10 Y-710J
OTA4F-3C1 PZFR6F-11 CY57 R6601-9
LZA11-V2 BCPR5EIX-11 DPR9EA-9 IZFR5B
OZA532-V3 BC6ES IFR6D10 IJR7A9
OZA572-E6 Y-517J Y-715R D7EA
OZA534-V1 G-2Z Y-738U Y-525J
OZA324-L1 BR4HS BP6EFS-VP4 BP2HS
OZA324-L2 DR4HS Y-913J BKR5E
OZA510-AU1 BR8EQ BR8ES BKR5EK
OZA510-AU2 BCPR7ES DR8ES PFR7Q
OZA510-AU3 R5184-105 BCR8ES PZFR5D-11
OTA4N-5D1 BP7EFVX LZTR4A-11 BR8ES-11
OZA532-A4 BR7EF PFR5L-11 Y-746J
OZA527-E11 BCPR6EP-11 BKR5EIX-11 IFR5E11
OZA334-AU2 CMR6H BP5EVX Y-904M1
OZA334-PG1 BUR5ET BUR9EQ BKR6ETA-10
OZA532-A10 BCPR6E-11-VG4 CY58 SD05F (black)
OTA4N-5F1 Y-923U PKR9B LB05E (black)
OZA532-A7 R0373A-9 B8HS VB05F (black)
OZA341-A1 B4-LM Y-145T LB05F (black)
OZA401-E2 BP5FS BUHXW-1 VD05F (black)
OZA544-N8 BR6HIX DPR6EA-9 LB10EHF (black)
OZA446-E12 B8EG BR8HSA LB10EHF (red)
OZA428-E1 BPR4EVX Y-534J LD05F (black)
OZA510-I1 DR9EA PFR6T-10G XB05F (black)
OZA585-I1 BKR5EP-11 DPR9EIX-9 XD05F (black)
OZA445-E2 BKR6EKPB-11 PFR6G-11 SB05F (black)
OZA341-PG5 BP2ES R0373A-11 YB05F (black)
OZA341-PG6 Y-924J BR8ECMVX LB05EMH (red)
OZA341-PG7 CR8EK Y-930U YB05F (red)
OZA341-PG8 DCPR6E BKR5E-11-VG4 LD05F (red)
OZA527-E21 CR7EH-9 BPR9EVX SD05F (red)
OZA538-PG1 BU6EFSZ ZFR5J-11 LBER (red)
OZA538-PG2 BCPR6EY-11-VG4 ZFR6J-11 LBER (blue)
OZA381-D1 PFR6B PTR6D-13 LB05EH (black)
OZA401-E4 IFR5T-8N ITR4A15 LB05EMH (black)
LZA11-V1 B6S BUHW-2 SB05E (black)
OZA446-E13 BP6FS B8EGV VD05F (red)
OZA446-E8 CR9EIX BM4A SD05FM (black)
OZA401-E5 BR6S BKR6EKE SB05E (red)
LZA11-V3 BCPR5ES-11 BCP5EVX SB05F (red)
OZA446-E1 BP7EFS CR8EH-9 XB05F (red)
OZA571-C10 B9EG BPR5EKU TB05EMA
OZA446-E14 BK6E DCPR8E-N SD05FM (red)
OZA446-E5 BKR6EVX Y-928U SD05FGA
OZA448-E16 BKR7EVX BR9ES LB05EH (red)
LZA06-U1 PFR6N-11 BKR6E-N-11 LZFH (black)
LZA11-V4 BR9ECS BMR4A VB05F (red)
OZA446-E15 PGR5A-11 Y-925J XD05F (red)
OZA445-E4 BZ7HS-10 BKUR6ETB-10 TRS1225
LZA07-V1 BKR6EKB-11 RE8C-L LB05F (red)
OZA495-PG2 BKR6EKUB PGR5C-11 TRS1408F
OZA495-PG3 PLTR6A-10G IMR9C-9HES LB05E (red)
OZA448-E6 ILFR6A BR2-LM Y-733J
OZA446-E2 DCR7EIX B9HS TRS1409
OZA114-A1 DCR8EIX CM-6 Y-405
OZA544-R1 BP4HS R7279-10 DISPENSER(320)
OZA446-E16 BP7FS BPR5EA-L 80 PIECE DISPENSER
OZA445-E3 BPR6EFS YS-101
OZA446-E6 B9HS-10 B9EGV