From tc web site, looks like ac comes into it as well.
Search Results      
Search results 37matches found for Steering & Suspension + Road springs, front (set)
Omega      Part Number      Retail Price      Normal Trade      Trade Club
Road springs, front (set)
2.0 16v from '94 to '95      90295660      £213.00      £181.05      £128.87
 
2.0 8v from '94 to '95      90295660      £213.00      £181.05      £128.87
 
2.5 TD Estate from '96 to '99      90369029      £306.00      £260.38      £203.00
 
2.5 V6 exc. air con., to '97      90509078      £209.00      £177.65      £126.45
 
2.5 TD exc. air con., to '97      90509078      £209.00      £177.65      £126.45
 
3.0 V6 exc. air con., to '97      90509078      £209.00      £177.65      £126.45
 
2.5 V6 with air con., to '97      90509080      £244.00      £207.79      £148.05
 
3.0 V6 with air con., to '97      90509080      £244.00      £207.79      £148.05
 
2.5 TD with air con., to '97      90509080      £244.00      £207.79      £148.05
 
3.2 V6 with lowered sports chassis, exc. increased payload, from '00      90510279      £184.00      £156.66      £111.47
 
3.0 V6 with lowered sports chassis, exc. increased payload, from '00      90510279      £184.00      £156.66      £111.47
 
2.6 V6 with lowered sports chassis, exc. increased payload, from '00      90510279      £184.00      £156.66      £111.47
 
2.2 DTi with lowered sports chassis, exc. increased payload, from '00      90510279      £184.00      £156.66      £111.47
 
2.5 V6 with lowered sports chassis, exc. increased payload, from '00      90510279      £184.00      £156.66      £111.47
 
2.0 16v exc. air con., from '96 to '99      90540869      £247.00      £210.67      £149.85
 
2.0 8v with air con., from '96 to '99      90540869      £247.00      £210.67      £149.85
 
2.0 8v exc. air con., from '96 to '99      90540869      £247.00      £210.67      £149.85
 
2.0 16v with air con., from '96 to '99      90540870      £220.00      £187.00      £133.11
 
2.0 16v exc. air con., exc. lowered sports chassis, exc. increased payload, from '00      90540870      £220.00      £187.00      £133.11
 
2.2 16v exc. lowered sports chassis, exc. increased payload, from '00      90540870      £220.00      £187.00      £133.11
 
3.0 V6 exc. Lowered sports chassis, exc. increased payload, from '00      90541754      £247.00      £210.67      £149.85
 
2.5 TD with air con., from '98 to '99      90541754      £247.00      £210.67      £149.85
 
2.2 DTi exc. lowered sports chassis, exc. increased payload, from '00      90541754      £247.00      £210.67      £149.85
 
3.0 V6 with air con., from '98 to '99      90541754      £247.00      £210.67      £149.85
 
3.2 V6 exc. Lowered sports chassis, exc. increased payload, from '00      90541754      £247.00      £210.67      £149.85
 
2.0 DTi exc. lowered sports chassis, exc. increased payload to '00      90541754      £247.00      £210.67      £149.85
 
2.6 V6 exc. lowered sports chassis, exc. increased payload, from '00      90541754      £247.00      £210.67      £149.85
 
2.5 V6 with air con., from '98 to '99      90541754      £247.00      £210.67      £149.85
 
2.5 V6 exc. lowered sports chassis, exc. increased payload, from '00      90541754      £247.00      £210.67      £149.85
 
2.0 DTi with air con., to '99      90541754      £247.00      £210.67      £149.85
 
2.5 V6 exc. air con., from '98 to '99      90541897      £null.00      £null.00      £null.00
 
2.5 TD exc. air con., from '98 to '99      90541897      £null.00      £null.00      £null.00
 
3.0 V6 exc. air con., from '98 to '99      90541897      £null.00      £null.00      £null.00
 
2.0 DTi exc. air con., to '99      90541897      £null.00      £null.00      £null.00
 
2.2 16v with lowered sports chassis, from '00      9193195      £211.00      £179.90      £127.96
 
2.0 16v with lowered sports chassis, exc. increased payload, from '00      9193195      £211.00      £179.90      £127.96
 
2.2 DTi exc. lowered sports chassis, form '00