Valve Springs & Hardware

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PAC-1575-16 1500 Series Dual Valve Springs Spring OD: 1.409
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PAC-1281X-16 Valve Springs, 1200 Series Drag Race, Beehive, Single, 0.551 in. Maximum Valve Lift, 245 lbs./in. Rate, Ford, 5.0L Modular V8, Set of 16
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PAC-1218X-16 Top 0.650 in. / Bottom 0.885 in. ID – Top 1.055 in. / Bottom 1.290 in. OD – 1.800 in. installed Height – 0.600 in. Max Valve Lift
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PAC-1330-16 0.726 in. ID – 1.500 in. OD – 2.050 in. installed Height – 0.850 in. Max Valve Lift
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PAC-1209X-16 0.680 in. ID – 1.324 in. OD – 1.800 in. installed Height – 0.750 in. Max Valve Lift
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PAC-1237X-16 0.630 in. ID – 1.274 in. OD – 1.800 in. installed Height – 0.700 in. Max Valve Lift
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PAC-1371-16 0.716 in. ID – 1.374 in. OD – 1.950 in. installed Height – 0.700 in. Max Valve Lift
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PAC-S135-16 1.270 in. OD – 0.680 in. Locating Diameter – 0.570 in. ID – 0.060 in. Thickness
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PAC-121-16 1.270 in. OD – 0.640 in. Locating Diameter – 0.520 in. ID – 0.060 in. Thickness
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PAC-R565-16 Fits Large OD Retain.er for Large Triple Spring – 1.620 in. OD – 0.865 in. Second Step Diameter – 0.630 in. Third Step Diameter – 10 Degree Lock Angle – Titanium
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PAC-S114-16 1.450 in. OD – 0.700 in. Locating Diameter – 0.570 in. ID – 0.060 in. Thickness
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PAC-S128-16 1.270 in. OD – 0.600 in. Locating Diameter – 0.520 in. ID – 0.060 in. Thickness
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PAC-R632-16 Fits PAC-1530 and 1335 – 1.250 in. OD – 0.600 in. Second Step Diameter – 8 Degree Lock Angle – Tool Steel
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PAC-R552-16 Fits PAC-1371and 1575 – 1.360 in. OD – 0.680 in. Second Step Diameter – 8 Degree Lock Angle – Titanium
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PAC-R503-16 Fits PAC-1362/1363/1366 – 1.490 in. OD – 0.865 in. Second Step Diameter – 0.635 in. Third Step Diameter – 10 Degree Lock Angle – Titanium
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PAC-R455-16 Fits PAC-1222X – 1.225 in. OD – 0.650 in. Second Step Diameter – 7 Degree Lock Angle – Titanium
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PAC-R435-16 Fits Most RPM Dual LS Valve Springs – 1.300 in. OD – 0.680 in. Second Step Diameter – 7 Degree Lock Angle – Titanium
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PAC-R363-16 Fits PAC-1211/1215/1218/1219/1220/1275/1286 – 1.035 in. OD – 7 Degree Lock Angle – Chromoly Steel
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PAC-R450-16 Fits RPM Series Dual Valve Springs – 1.240 in. OD – 0.685 in. Second Step Diameter – 8 Degree Lock Angle – Titanium
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PAC Racing R315-16 Chromoly Dual Valve Spring Retainers, 10°, Set of 16
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