PAC 1208X-16 Valve Springs PAC Racing RPM Series valve springs were developed using all of the latest advancements from drag racing successes. This valuable, real-life research has been applied to new designs, which allow for... MSRP: Was: Now: $368.00 Add to Cart
PAC 1224-16 Valve Springs 1200 Series Dual Valve Springs Spring OD: 1.625 Spring ID: 0.851 Seat Pressure: 275 LBS @ 2.000 Open Pressure: 810 LBS @ 1.150 Spring Rate: 629 Max Coil Bind: 1.100 Max Lift: .850 16/pkg MSRP: Was: Now: $373.00 Add to Cart
PAC 1326-16 Valve Springs Pac 1326 valve springs (1.200 x 2.000 springs) Specs: Weight (grams): 158 grams Outer Spring I.D. (inches): 1.1 Outer Spring O.D. (inches): 1.55 Middle Spring I.D. (inches): N/A Inside Spring I.D... MSRP: Was: Now: $576.00 Add to Cart
PAC 1329-16 Valve Springs PAC 1329 VALVE SPRINGS (1.500 X 2.150 DUAL SPRING): High Lift Dual Drag Race Spring - great spring for Comp, superstock engines SPECS: Weight (grams): 144 grams OuterSpringI.D. (inches): 1.05... MSRP: Was: Now: $576.00 Add to Cart
PAC 1330-16 Valve Springs PAC 1330 VALVE SPRINGS (2.050 X 1.500 DUAL SPRING) High Lift Dual Drag Race Spring - great spring for Comp, superstock engines SPECS: Weight (grams): 144 grams OuterSpringI.D. (inches): 1.05... MSRP: Was: Now: $576.00 Add to Cart
PAC 1350-16 Valve Springs PAC 1350 VALVE SPRINGS: 2.200 x 1.645 Triple Spring Weight (grams): 183 grams OuterSpringI.D. (inches): 1.195 OuterSpringO.D. (inches): 1.645 MiddleSpringI.D. (inches): 0.871 InsideSpringI.D... MSRP: Was: Now: $540.00 Add to Cart
PAC 1353-16 Valve Springs PAC 1353 VALVE SPRINGS (2.300 X 1.695 TRIPLE SPRINGS) SPECS: Weight (grams): 205 grams OuterSpringI.D. (inches): 1.195 OuterSpringO.D. (inches): 1.695 MiddleSpringI.D. (inches): 0.871 InsideSpringI... MSRP: Was: Now: $600.00 Add to Cart
PAC 1354-16 Valve Springs Was - 768.64 Now - 649.50 PAC 1354 VALVE SPRINGS (2.300 X 1.500 1" DUAL SPRING) SPECS: Weight (grams): 172 grams OuterSpringI.D. (inches): 1.05... MSRP: Was: Now: $576.00 Add to Cart
PAC 1355-16 Valve Springs PAC 1355 VALVE SPRINGS (2.200 X 1.500 DUAL SPRINGS) SPECS: Weight (grams): 144 grams OuterSpringI.D. (inches): 1.05 OuterSpringO.D. (inches): 1.5 InsideSpringI.D. (inches): 0.726 InstallLoad (LB):... MSRP: Was: Now: $576.00 Add to Cart
PAC 1356-16 Valve Springs Pac 1356 valve springs (2.100 x 1.500 dual spring) High lift dual drag race spring - great spring for Comp, Superstock Engines Spec: Weight (grams): 144 grams OuterSpringI.D. (inches): 1.05... MSRP: Was: Now: $576.00 Add to Cart
PAC 1357-16 Valve Springs PAC 1357 valve springs (2.150 x 1.500 dual springs) High Lift Dual Drag Race Spring - great spring for Comp, superstock engines Specs: Weight (grams): 144 grams OuterSpringI.D. (inches): 1.05... MSRP: Was: Now: $576.00 Add to Cart
PAC 1360-16 Valve Springs PAC 1360 valve springs (2.250 x 1.500 dual springs) Specs: Weight (grams): 155 grams OuterSpringI.D. (inches): 1.05 OuterSpringO.D. (inches): 1.522 InsideSpringI.D. (inches): 0.726 InstallLoad... MSRP: Was: Now: $576.00 Add to Cart
PAC 1361-16 Valve Springs Was - 683.39 Now - 633.13 PAC 1361 valve springs (2.300 x 1.500 1" lift dual springs) Specs: Weight (grams): 162 grams OuterSpringI.D. (inches): 1.05 OuterSpringO.D... MSRP: Was: Now: $576.00 Add to Cart
PAC 1427-16 Valve Springs 1400 Series Beehive Valve Springs Spring OD: 1.454 Spring ID: 0.650 Seat Pressure: 200 LBS @ 1.850 Open Pressure: 500 LBS @ 1.250 Spring Rate: 500 Max Coil Bind: 1.190 Max Lift: ... MSRP: Was: Now: $373.00 Add to Cart
PAC Racing Beehive Series Valve Springs 1409X-16 Recent rule changes allow the use of the latest technology which allows for a very sophisticated spring with reduced end size for a small, lightweight retainer. This spring is recommended for drag... MSRP: Was: Now: $373.00 Add to Cart
PAC Racing RPM Series Valve Springs 1238X-16 Valve Spring, RPM Series, Dual, 1.274 in. Outside Diameter, 600 lb/in., 0.630 in Inside Diameter O.D. Outer (in) 1.274I.D. Outer (in) 0.900Damper NoID Inner (in) .630Install Height (Valve... MSRP: Was: Now: $473.00 Add to Cart
PAC Spring Retainer R310-16 PAC Valve Spring Retainers are a must have when upgrading your valve-train. Valve springs with larger diameters and higher spring pressures will require new retainers. These retainers are designed... MSRP: Was: Now: $88.00 Add to Cart
PAC Spring Retainer R335-16 Spring seats for PAC Valve Springs. They are specifically matched with radii and diameters to optimize the performance of the valvetrain. Weight (grams) 20.0 Diameter A (inches) 1.300Diameter B... MSRP: Was: Now: $88.00 Add to Cart
PAC Spring Retainer R408-16 Dual Spring 400 Series Retainer - +0.050 Sportman Retainer for all 1.050 ID Dual Drag Springs. Lock angle: ST Weight (grams) 15.0Diameter A (inches) 1.450Diameter B (inches) 1.040Diameter C (inches)... MSRP: Was: Now: $295.00 Add to Cart
PAC Spring Retainer R632-16 Dual Spring 600 Series Retainer - Tool Steel Retainer for PAC-1530 & 1335 Dual Valve Springs. Lock angle: mi Diameter A (inches) 1.250Diameter B (inches) .890Diameter C (inches) .600Diameter D... MSRP: Was: Now: $415.00 Add to Cart
