Engine

Engine
Valve Springs

Valve Springs

Filter

Product status

New product

Sale

In stock

Price (€)

5 € - 1 998 €

Brand

Cat Cams

Dart Machinery

Manley

PAC

Piper Cams

Supertech

Lock

Not Included

Not Includedn Catalog

PAC-L8086

PAC-L8113

PAC-L8114

PAC-L8148

PAC-L8161

Seat

Not Included

PAC-S111

PAC-S112

PAC-S129

PAC-S135

PAC-S137

Valve Spring

PAC-1204X

PAC-1205X

PAC-1206X

PAC-1207X

PAC-1208X

PAC-1209X

PAC-1218

PAC-1218X

PAC-1219

PAC-1219X

PAC-1220

PAC-1222X

PAC-1234X

PAC-1904

PAC-1905

Valve Seal

VS-H6.6E

VS-T6SM

Valve Lock

KPR-5.5-7A-ST

KPR-5.5/7A-ST

KPR-6T-ST

Valve Lock Qty

Car Brands

ACURA

AUDI

BMW

CHEVROLET

FORD

HONDA

HYUNDAI

KIA

LADA

LOTUS

MAZDA

MINI (BMW)

MITSUBISHI

NISSAN

OPEL

RENAULT

SCION

SUBARU

TOYOTA

VAUXHALL

Inside Diameter Inner

0.574 in

0.616 in

0.624 in

0.630 in

0.635 in

0.655 in

0.665 in

0.674 in

0.680 in

0.688 in

0.694 in

0.699 in

0.706 in

0.710 in

0.713 in

0.716 in

0.720 in

0.725 in

0.726 in

0.731 in

0.735 in

0.740 in

0.744 in

0.747 in

0.752 in

0.754 in

0.757 in

0.763 in

0.770 in

0.780 in

0.788 in

0.790 in

0.794 in

0.804 in

0.807 in

0.810 in

0.812 in

0.826 in

0.851 in

0.871 in

0.876 in

0.970 in

0.996 in

1.016 in

12.30 mm

13.00 mm

13.25 mm

14.20 mm

14.2mm mm

14.40 mm

14.50 mm

14.5 mm

15.20 mm

15.50 mm

15.60 mm

16.50 mm

16.80 mm

23.00 mm

EXHAUST

NA in

SINGLE

Type

Conical

Dual

Dual w/Damper

Ovate Wire Beehive

P12 - 5.5mm valve stem

Round Wire Beehive

Single

Single w/Damper

Triple

Outside Diameter Alt

24.00 (bottom) mm

24.00 mm

Series

NITRIDE

PREMIUM

STD

X SERIES

Inside Diameter Middle

0.871 in

0.879 in

NA in

Inside Diameter Outer

0.525 / 0.698 in

0.527 / 0.709 in

0.567 / 0.662 in

0.580 / 0.742 in

0.630 / 0.805 in

0.636 / 0.698 in

0.636 / 0.720 in

0.636 / 0.738 in

0.650 / 0.845 in

0.650 / 0.885 in

0.650 / 0.900 in

0.650 / 0.906 in

0.650 / 1.000 in

0.655 / 0.860 in

0.660 / 0.825 in

0.680 / 0.845 in

0.731 / 0.990 in

0.731 / 1.135 in

0.810 in

0.859 / 1.014 in

0.860 in

0.891 in

0.900 in

0.906 in

0.910 in

0.925 in

0.950 in

0.995 in

1.000 in

1.002 in

1.025 in

1.050 in

1.060 in

1.065 in

1.075 in

1.085 in

1.086 in

1.090 in

1.100 in

1.105 in

1.120 in

1.125 in

1.126 in

1.131 in

1.136 in

1.140 in

1.150 in

1.175 in

1.195 in

1.210 in

1.240 in

12.70 (top) mm

14.40 mm

15.20 mm

16.20 mm

16.30 mm

16.50 mm

16.80 mm

17.20 mm

17.50 mm

17.60 mm

17.6mm mm

17.90 mm

18.00 mm

18.80 mm

18.8mm mm

19.30 mm

19.3 mm

19.60 mm

19.70 mm

20.00 mm

20.0 mm

20.3 mm

21.30 mm

21.80 mm

21.85 mm

21.90 mm

22.20 mm

23.20 mm

Outside Diameter Top

19.30 mm

20.60 mm

21.30 mm

23.20 mm

24.20 mm

Crush Height

16.80 mm

18.00 mm

18.64 mm

19.98 mm

20.30 mm

20.46 mm

21.65 mm

21.92 mm

21.94 mm

22.02 mm

22.03 mm

22.26 mm

22.27 mm

23.16 mm

23.21 mm

23.50 mm

23.78 mm

23.80 mm

24.00 mm

24.80 mm

25.01 mm

25.29 mm

25.88 mm

26.55 mm

Fitted Length

31.75 mm

32.50 mm

32.60 mm

33.00 mm

33.50 mm

34.00 mm

35.00 mm

36.00 mm

36.30 mm

36.80 mm

37.00 mm

37.10 mm

37.20 mm

37.50 mm

38.00 mm

38.50 mm

38.85 mm

39.00 mm

40.00 mm

40.40 mm

40.74 mm

41.00 mm

Outside Diameter Bottom

23.50 mm

25.10 mm

26.20 mm

27.70 mm

28.00 mm

Seat Locator Qty

Installed Height

1.470 in

1.516 in

1.550 in

1.575 in

1.600 in

1.640 in

1.670 in

1.680 in

1.688 in

1.700 in

1.715 in

1.750 in

1.800 in

1.811 in

1.850 in

1.875 in

1.880 in

1.900 in

1.940 in

1.950 in

2.000 in

2.030 in

2.050 in

2.060 in

2.070 in

2.100 in

2.150 in

2.175 in

2.200 in

2.250 in

2.300 in

2.350 in

2.550 in

Installed Load

100 lb

105 lb

106 lb

109 lb

110 lb

115 lb

120 lb

125 lb

130 lb

135 lb

140 lb

144 lb

145 lb

150 lb

155 lb

156 lb

157 lb

160 lb

165 lb

175 lb

180 lb

185 lb

190 lb

194 lb

200 lb

207 lb

220 lb

230 lb

240 lb

245 lb

250 lb

255 lb

260 lb

265 lb

275 lb

280 lb

290 lb

300 lb

332 lb

345 lb

350 lb

375 lb

380 lb

400 lb

420 lb

425 lb

440 lb

450 lb

475 lb

480 lb

491 lb

500 lb

525 lb

555 lb

558 lb

600 lb

80 lb

87 lb

90 lb

92 lb

97 lb

98 lb

Max Bind

0.850 in

0.900 in

0.910 in

0.941 in

0.952 in

0.965 in

0.971 in

0.973 in

0.985 in

1.000 in

1.010 in

1.013 in

1.020 in

1.035 in

1.040 in

1.045 in

1.048 in

1.050 in

1.053 in

1.055 in

1.060 in

1.070 in

1.075 in

1.080 in

1.085 in

1.089 in

1.090 in

1.097 in

1.100 in

1.103 in

1.115 in

1.125 in

1.130 in

1.140 in

1.145 in

1.150 in

1.160 in

1.161 in

1.175 in

1.180 in

1.181 in

1.190 in

1.192 in

1.196 in

1.200 in

1.208 in

1.210 in

1.215 in

1.220 in

1.230 in

1.316 in

1.346 in

1.544 in

Max Lift

0.430 in

0.500 in

0.550 in

0.551 in

0.575 in

0.600 in

0.625 in

0.650 in

0.700 in

0.750 in

0.780 in

0.800 in

0.850 in

0.900 in

0.950 in

1.000 in

1.050 in

1.100 in

11.00 mm

11.10 mm

11.20 mm

11.30 mm

11.40 mm

11.50 mm

11.70 mm

12.00 mm

12.20 mm

12.2 mm

12.2mm mm

12.50 mm

12.70 mm

12.80 mm

12.90 mm

12mm mm

1.300 in

13.00 mm

13.25 mm

13.2 mm

13.30 mm

1.350 in

13.50 mm

13.60 mm

13.70 mm

13.80 mm

13.90 mm

14.00 mm

14.0mm mm

14.20 mm

14.30 mm

14.40 mm

14.50 mm

14.5 mm

14.70 mm

14.90 mm

15.00 mm

15.30 mm

15.70 mm

16.00 mm

16.20 mm

16.60 mm

16 mm

17.00 mm

17**(12) mm

17.40 mm

18.30 mm

Open Height

0.970 in

1.000 in

1.025 in

1.050 in

1.080 in

1.090 in

1.100 in

1.120 in

1.125 in

1.140 in

1.150 in

1.165 in

1.175 in

1.200 in

1.208 in

1.250 in

1.260 in

1.270 in

1.275 in

1.280 in

1.300 in

1.338 in

1.380 in

1.400 in

1.600 in

Open Load

1002 in

1004 in

1047 in

1064 in

1088 in

1116 in

1127 in

1129 in

1150 in

1200 in

1202 in

1220 in

1240 in

1252 in

1256 in

1288 in

1315 in

1320 in

1338 in

1365 in

1389 in

1390 in

1433 in

1440 in

1455 in

1463 in

1465 in

1500 in

1510 in

1545 in

1675 in

185 in

212 in

214 in

218 in

252 in

256 in

262 in

265 in

270 in

280 in

285 in

293 in

295 in

300 in

306 in

315 in

316 in

318 in

320 in

328 in

330 in

348 in

350 in

358 in

370 in

375 in

377 in

385 in

394 in

400 in

403 in

405 in

410 in

411 in

420 in

425 in

430 in

436 in

437 in

440 in

442 in

450 in

455 in

460 in

465 in

467 in

480 in

482 in

484 in

495 in

500 in

510 in

511 in

550 in

580 in

585 in

600 in

608 in

614 in

625 in

636 in

645 in

655 in

670 in

671 in

690 in

700 in

705 in

710 in

730 in

750 in

765 in

801 in

805 in

810 in

825 in

835 in

847 in

850 in

855 in

860 in

938 in

950 in

Outside Diameter Outer

0.848 / 1.021 in

0.849 / 1.031 in

0.873 / 1.061 in

0.930 / 1.025 in

0.943 / 1.105 in

0.959 / 1.061 in

0.999 / 1.061 in

0.999 / 1.083 in

1.034 / 1.290 in

1.035 / 1.210 in

1.055 / 1.250 in

1.055 / 1.290 in

1.055 / 1.405 in

1.072 / 1.307 in

1.077 / 1.282 in

1.085 / 1.250 in

1.095 / 1.345 in

1.095 / 1.445 in

1.104 / 1.454 in

1.105 / 1.270 in

1.106 in

1.112 in

1.185 / 1.589 in

1.186 / 1.445 in

1.244 in

1.245 in

1.260 in

1.274 in

1.280 in

1.284 in

1.290 in

1.295 / 1.450 in

1.300 in

1.304 in

1.310 in

1.314 in

1.324 in

1.355 in

1.374 in

1.409 in

1.430 in

1.449 in

1.459 in

1.460 in

1.465 in

1.490 in

1.500 in

1.510 in

1.514 in

1.522 in

1.536 in

1.538 in

1.539 in

1.540 in

1.545 in

1.550 in

1.551 in

1.555 in

1.561 in

1.564 in

1.570 in

1.574 in

1.586 in

1.625 in

1.645 in

1.659 in

1.667 in

1.681 in

1.695 in

1.710 in

1.750 in

20.60 mm

23.30 mm

23.50 mm

23.70 mm

24.00 (bottom) mm

24.00 mm

24.30 mm

24.40 mm

24.4mm mm

25.00 mm

25 mm

26.40 mm

26.4 mm

26.60 mm

27.50 mm

27.70 mm

28.00 mm

28.0mm mm

28.10 mm

29.00 mm

29.05 mm

29.10 mm

29.65 mm

30.00 mm

30.20 mm

Spring Rate

10.0

1015 lb/in

10.2

10.20lbs/mm

10.3

1038 lb/in

10.4

10.5

10.5mm

11.1

11.2

11.5

11.50

11.50lbs

11.50lbs/

11.50mm

11.7

12.1

12.10

12.2

12.5

12.6

12.60

12.7

12.7lbs/mm

12.8

12.80

12.8lbs/mm

12.90lbs

13.2

13.5

14.5

14.8

14.9

191 lb/in

240 lb/in

245 lb/in

275 lb/in

28.00 N/mm

283 lb/in

290 lb/in

291 lb/in

300 lb/in

307 lb/in

308 lb/in

311 lb/in

313 lb/in

324 lb/in

34.00 N/mm

340 lb/in

35.00 N/mm

358 lb/in

36.00 N/mm

363 lb/in

367 lb/in

369 lb/in

370 lb/in

376 lb/in

380 lb/in

385 lb/in

386 lb/in

39.00 N/mm

391 lb/in

392 lb/in

40.00 N/mm

400 lb/in

408 lb/in

409 lb/in

41.00 N/mm

410 lb/in

417 lb/in

42.00 N/mm

423 lb/in

425 lb/in

428 lb/in

43.00 N/mm

431 lb/in

433 lb/in

436 lb/in

44.00 N/mm

45.00 N/mm

450 lb/in

455 lb/in

46.00 N/mm

460 lb/in

467 lb/in

469 lb/in

47.00 N/mm

470 lb/in

48.00 N/mm

483 lb/in

49.00 N/mm

492 lb/in

494 lb/in

5.0

50.00 N/mm

500 lb/in

508 lb/in

513 lb/in

52.00 N/mm

520 lb/in

525 lb/in

526 lb/in

53.00 N/mm

538 lb/in

540 lb/in

55.00 N/mm

550 lb/in

560 lb/in

580 lb/in

582 lb/in

600 lb/in

610 lb/in

629 lb/in

644 lb/in

6.6

663 lb/in

6.7

670 lb/in

673 lb/in

681 lb/in

682 lb/in

687 lb/in

688 lb/in

689 lb/in

7.0

706 lb/in

7.25

740 lb/in

743 lb/in

750 lb/in

752 lb/in

7.6

7.60

7.7

780 lb/in

795 lb/in

8.0

813 lb/in

8.2

836 lb/in

840 lb/in

8.5

863 lb/in

895 lb/in

896 lb/in

9.0

900 lb/in

937 lb/in

938 lb/in

9.4

942 lb/in

9.5

9.6

9.60

964 lb/in

968 lb/in

9.7

9.70lbs/mm

9.8

9.80

9.8lbs/mm

9.9

Coil Bind

17.40/19.00 mm

17.4/ 19

18.50 mm

18.70 / 15.30 mm

18.70 mm

19.00 mm

19.50/15.70 mm

19.50 mm

19.5/ 15.7

20.00 mm

20.70/19.50 mm

20.70 mm

21.00/17.00 mm

21.00 mm

21.50 mm

21.80 mm

22.00 mm

22.20 mm

22.70/19.50 mm

22.70 mm

22.80 mm

22.8mm mm

23.00 mm

23.20 mm

23.2mm mm

23.30 mm

23.50 mm

24.00 mm

24.50 mm

24.70 mm

24.90 mm

25.00 mm

25.30 mm

25 mm

27.30 mm

27.60 mm

34.60 mm

Outside Diameter Inner

17.65 mm

18.00 mm

18.80 mm

19.30 mm

19.3 mm

19.40 mm

19.60 mm

20.00m

20.00 mm

20.50 mm

21.00 mm

21.0 mm

21.20 mm

21.30 mm

21.90 mm

21mm mm

22.20 mm

23.00 mm

23.20 mm

24.20 mm

24.2mm mm

EXHAUST

SINGLE

Kit Spring

SPR-16D mm

SPR-2035-2022

SPR-2081

SPR-2521-2

SPR-2521/2

SPR-A2095

SPR-A2095 ; SPR-H100DR-AU

SPR-A2416-BE1

SPR-A2416N

SPR-A2416N-BE

SPR-EC3025D

SPR-EC3027D

SPR-FE20BE

SPR-FE20BE-2

SPR-FE56BE

SPR-H1000D

SPR--H1002D

SPR-H1002D

SPR-H1002D-BE

SPR-H1002S

SPR-H1003S

SPR-H1005D

SPR-H1007BE

SPR-H100DR

SPR-H1019D

SPR-H1021D

SPR-H1021S

SPR-H1022D

SPR-H1022S

SPR-H1022-VE

SPR-H200DR

SPR-HM1007BE

SPR-HM1007BE/MC

SPR-HY1012D

SPR-M1005

SPR-M1005S

SPR-M1005S-TB48

SPR-M1007BE

SPR-M1007BE-1

SPR-M1007BE-2

SPR-M1007S

SPR-MC56BE

SPR-MCB48-2

SPR-N370Z-IN ; SPR-N370Z-EX

SPR-TC25D

SPR-TC25S

SPR-TS1012

SPR-TS1012-BE

SPR-TS1015

SPR-TS1015-BE

SPR-TS1015/MC-2

SPR-TS1015-SI

SPR-TS2081

Kit Spring Qty

Open Pressure

121 @ 10

123 @ 10.5

142 @ 11

144 @ 10

150 @ 10

153 @ 10

155 @ 10

157 @ 10

160 @ 10

163 @10mm

165 @ 10

167 @ 10

170 @ 10

172 @ 10

173 @ 10

173@ 10 ; 164@ 10

175 @ 12

176 @ 10

178 @ 10

178 @ 10 ; 190 @10

180 @ 10

181 @ 10

182 @ 11.5

185 @ 10

186lbs@10

190 @ 10

190 @ 10 ; 202@ 10

192lbs@10

193 @ 10

193 @10

195 @ 10

195lbs@10

196 @ 11

197 @ 10

197 @ 11

198 @ 10

200 @ 10

200 @10

200 @ 11.5

202 @ 10.5

203 @ 10

204 @ 10

204lbs@10mm

205 @ 10

207 @ 11.5

208 @ 10

209 @ 10

210 @ 10

211 @ 11.5

211lbs@10

212 @ 10

215 @ 12

217 @ 11.5

222 @ 10

223 @ 11

224 @ 11.5

227 @ 10

228 @11

228 @11 (exhaust)

230 @ 11

230 @ 11.5

234 @ 11.5

248 @ 11.5

255 @ 10

261 @ 12

273 @ 11.5

275 @ 12

Retainer

OEM RETAINER

PAC-R311

PAC-R335

PAC-R362

PAC-R363

PAC-R435

PAC-R464

RET-1003-C

RET-2500/T1

RET-A2416-N2

RET-AUVE/T1

RET-AUVIT2 ; RET-AUVE/T1

RET-BM2521/T1-BE

RET-BM2521/T2

RET-BMB48/TE(12)

RET-BMB48/TE + RET-BMB48/TI

RET-BMB48/TE, RET-BMB48/TI

RET-BMN54-TE

RET-BMN54-TI (5mm) / RET-BMN54-TE (6mm) mm

RET-BMN54-TI (5) / RET-BMN54-TE (6)

RET-EC3020/T1

RET-EC3020/T55

RET-EC3025/T55

RET-H1002-ST

RET-H55BE-BRZ

RET-H55BE-T1

RET-H55BE/T1 ; RET-TS5.5/T1F-BE

RET-H60/T1

RET-H70/T1

RET-HBK-ST

RET-K20A2/T2

RET-K20A3/T1

RET-M2521/T1

RET-M65/T1

RET-M65-TBE

RET-M65/TBE

RET-MC56BE

RET-MC56/T1

RET-N55/TBE

RET-NSR20/T1

RET-NSR20VE-T55

RET-NSR20VE-T56

RET-NVG1015/T1

RET-TC50/T1

RET-TS5.5/EX-BE

RET-TS5.5/T1

RET-TS5.5/T1EX

RET-TS5.5-T1F-BE

RET-TS5.5/T1F-BE

RET-TS55/T5R

RET-TS5.5/T8

RET-TS5.5/T9F-BE

RET-TS60IN2/WRX1

RET-TS60/MA2

RET-TS60/MA2R

RET-TS60/T1-BE

RET-TS60/WRX-BE

Retainer Qty

Seat Pressure

100 @ 33.5

100 @ 33.8

100 @ 37.15

101.00 lbf

105@38

115 @ 37.5

120 @ 35.9

121.00 lbf

130.00 lbf

29.00 lbf

38.00 kg

43.00 lbf

45.00 lbf

48.00 lbf

49.00 lbf

50.00 lbf

54 @ 36.6

55.00 lbf

55 @ 35

55 @ 39

56.00 lbf

57.00 lbf

57 @ 34.4

58.00 lbf

58 @ 34.8

58 @ 36

59 @ 34.75

60 @35.50

60@ 49.5

61 @ 35.20

62.00 lbf

62 @ 37.80

63 @ 33.6

65 @33.60mm

65 @ 35.6

65 @ 37

66.00 lbf

67.00 lbf

67 @ 35.5

67lbs@35.70

68.00 lbf

69.00 lbf

70.00 lbf

70 @ 33.5

70 @ 35

70 @35.50

70 @ 36.20

70 @ 39.40

71.00 lbf

71 @ 35.20

72 @ 33.5

72 @ 37.2

73 @ 35.4

73@37.40 ; 84@36

73 @ 37.40 ; 85 @36

74.00 lbf

74 @ 35

74 @ 38.6

75.00 lbf

75 @33.50

75 @ 34.50

75 @ 36.5

75 @ 37

75 @ 38.5

75 @ 39

75 @ 41.36

76.00 lbf

76 @ 34.8

76 @ 39.6

76lbs@36mm

77 @ 39

77 @ 40.60

78.00 lbf

78 @ 34.6

78 @ 38.5

78 @ 38.7

79.00 lbf

80.00 lbf

80 @ 33.5

80 @ 38.6

80 @ 40.4

80lbs@35.70

82.00 lbf

82 @ 33.6

82 @34.50

82 @ 37.80

82lbs@41

83 @ 34

83 @ 35.00

83 @ 35.7

83 @ 37.2

83 @ 37.5

84.00 lbf

84 @ 37

84 @ 39.50

85.00 lbf

85 @ 33.4

85 @ 33.5

85 @ 33.60

85 @ 34.8

85 @ 37

88 @ 36.5

89 @ 40.5

90.00 lbf

91 @ 33.2

91 @ 33.2 (exhaust)

91 @ 33.60

91 @37.40 ; 105 @36

92 @ 37.15

95 @ 40.4

97 @ 40.4

98 @ 37.2

Seat Locator

OEM SEAT

SEAT-1003-CI + SEAT-1003-CE

SEAT-3020-2RZ

SEAT-BM48/T1

SEAT-BM50

SEAT-BM60

SEAT-BMS54-BE

SEAT-BMS55

SEAT-DUR0

SEAT-DUR1

SEAT-DUR2

SEAT-F4R-EX

SEAT-F4R-IN, SEAT-F4R-EX

SEAT-H1000

SEAT-H1002D-BRZ-2

SEAT-H1020DS

SEAT-M1015-1

SEAT-M1015-2

SEAT-M65BE-1

SEAT-M65BE-2

SEAT-MC1015D

SEAT-RB25-E

SEAT-SS2717-2

SEAT-SS3030

SEAT-TB1020D

SEAT-TS1015

SEAT-TS/1GR

SEAT-TS/GTR-3 ; SEAT-TS/GTR4

SEAT-TS/MA18E

SEAT-TS/MA18I

SEAT-TS/SUB

SEAT-TS/SUB3

SEAT-TS-SUB4

SEAT-TS/SUB4

SS-3012

SS-3021

SS-3025

SS-C202

VSI-EC60E

Spring Type

Double

Double Spring Kit Comes With Spring Cap (SC92) For Original Collets, Seats (SS73)

Double Springs With Caps - SC10

Double Springs With Caps - SC7

Single

Single Springs (Without retaining caps!)

Outside Diameter

22.74 mm

22.80 mm

25.10 mm

25.60 mm

27.50 mm

27.70 mm

27.90 mm

28.00 mm

28.30 mm

28.50 mm

29.10 mm

30.00 mm

30.50 mm

30.75 mm

31.65 mm

32.45 mm

33.00 mm

33.20 mm

33.90 mm

34.00 mm

Inside Diameter

12.70 (top) mm

13.50 mm

15.20 mm

15.30 mm

15.50 mm

15.60 mm

16.00 mm

16.50 mm

16.70 mm

18.05 mm

18.08 mm

18.60 mm

18.80 mm

20.00 mm

20.10 mm

20.19 mm

20.60 mm

21.50 mm

21.70 mm

21.80 mm

22.25 mm

22.30 mm

23.95 mm

25.00 mm

25.20 mm

Additional Info

1326 with 25 lbs More Load

A higher load version of 1361

BBC spring for flat tappet and hydraulic roller applications.

Beehive Valve Spring Kit

Beehive Valve Springs

Bracket racing application for higher lift and RPM requirements.

Bracket racing applications

Chrysler Hemi replacement for 03-07 5.7L, 05-10 6.1L. Requires OD damper replacement modifications.

Conical Valve Spring Kit

Conical Valve Springs

Drop In Spring for Ford 7.3L Godzilla, up to 0.650" Lift

Drop In Spring for Ford 7.3L Godzilla, up to 0.750" Lift

Drop in Spring for Gen III Coyote and 5.2L Voodoo

Dual Valve Spring Kit

Dual Valve Springs

Extreme use & endurance over traditional PAC-1201

Fits stock LS1 retainers and seats. Drop in design with more load.

Fits stock LS1 retainers and seats. Drop in design with more load than a 1218 for performance use.

Fits stock pocket without machining

Fits stock SBC pocket without machining. High Rate for aggressive cam.

For 6cyl AMC, Buick V8 and other short installed height applications

For aggressive cams

For AMC and BBC applications

For BBC Stock Eliminator applications. Variable rates for aggressive camshafts.

For big block hydraulic roller applications

For big block hydraulic roller, marine, and solid flat tappet applications

For bracket racing and high lift applications

For bracket racing applications

For Buick V6 and Buick 350 applications

For Comp and Super Stock engines

Ford 4.6L 2V drop in design without machining. Fits stock retainers and seats.

Ford 4.6L 3V drop in design without machining. This spring requires PAC retainers.

Ford 5.0L Coyote drop-in design.

Ford 5.4L GT500 and Cobra Jet high lift exhaust spring.

Ford 5.4L GT500 and Cobra Jet high lift intake spring.

For flat tappet applications

For flat tappet applications with low mass, high frequency for high RPM engines.

For Ford, GM, and Mopar big block hydraulic roller, solid flat tappet racing applications

For high lift applications

For high lift roller applications

For high load and lift applications with increased durability

For hydraulic flat tappet applications

For many small block engines as well as a variety of hydraulic or flat tappet applications.

For Mountain Motor applications

For Pro Stock and Mountain Motor applications

For Pro Stock and Top Fuel applications

For roller cam applications

For SBC hydraulic roller and flat tappet applications

For solid flat tappet and hydraulic roller applications

For solid roller drag and circle track applications

For Stock Eliminator and Drag Racing applications only

For TAFC and Pro-Mod alcohol engines

For Top Alcohol applications. Lower load version of 1364

For Top Alcohol applications. Mid load version of 1364

General endurance spring for high lift flat tappet applications.

GM 602 crate motor "cheater" spring. Meets specs with more RPM and endurance.

GM 604 crate motor "Blue Beehive" spring. Meets specs with more RPM and endurance.

GM 604 crate motor "cheater" spring. Meets specs with more RPM and endurance.

Hemi 6.4L drop-in spring.

High endurance nitrided spring for high lift, aggressive applications

High Lift Aggressive Applications

High Lift and High Rate Dual for FMOD

High Lift Dual for Short Installed Height

High performance spring for street and strip use

High performance version of 1295 with additional processing for street and strip use

High rate and frequency for roller cam applications

High rate for aggressive valvetrains and RPM

LS7, Hemi 6.4L Exhaust Spring and COPO Drop-in Spring

LS Engine

LS High Lift Beehive

LS high performance, high endurance circle track spring with high frequency for high RPM

LS spring for aftermarket heads

LS spring for aftermarket heads.

LS spring for drag racing, street strip. High rate and high frequency.

Race Saver "Cheater" spring. Matches dimensions with longer fatigue life.

Set of 24

Short installed height for high roller cams

Single Valve Spring Kit

Single Valve Springs

Small diameter endurance spring. MUST USE SPECIAL RETAINER.

Small diameter for high lift LS style engines. Light weight for aggressive valvetrains.

Smaller diameter

Sprint Cars under 8,500 RPM

TAFC and Pro-Mod Alcohol Engines

Viper SRT-10 drop-in spring that fits stock retainers and seats.

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