Availability
7.3 Godzilla Valve Springs, .650 Max Lift @ 160 Lb. seat @ 2.250 Installed, 420 @ 1.600 Open, 1.544 C.B., 1.270 Dia., 400 Rate, Like PAC 1282LX
Part Number: SUM-174020BP-16
Not Yet Reviewed
Estimated Ship Date: Monday 10/20/2025
Estimated Ship Date: Monday 10/20/2025
SBC 1.550 Dual Springs, Endurance Solid Roller, .700 Max Lift @ 240 Lb. seat @ 1.900 Installed, 625 Lbs. @ 1.200 Open, 1.130 C.B., 550 Rate, PAC 1243
Part Number: SUM-174030D-1
Not Yet Reviewed
Estimated Ship Date: Monday 10/20/2025
Estimated Ship Date: Monday 10/20/2025
SBC 1.550 Dual Springs, Endurance Solid Roller, .700 Max Lift @ 240 Lb. seat @ 1.900 Installed, 625 Lbs. @ 1.200 Open, 1.130 C.B., 550 Rate, PAC 1243
Part Number: SUM-174030D-16
Not Yet Reviewed
Estimated Ship Date: Monday 10/20/2025
Estimated Ship Date: Monday 10/20/2025
SBC 1.550 Dual Springs, Drag Solid Roller, .800 Max Lift @ 250 Lb. seat @ 2.000 Installed, 765 Lb. @ 1.200 Open, 1.150 C.B., 644 Rate, Like PAC 1225
Part Number: SUM-174031D-1
Not Yet Reviewed
Estimated Ship Date: Monday 10/20/2025
Estimated Ship Date: Monday 10/20/2025
SBC 1.550 Dual Springs, Drag Solid Roller, .800 Max Lift @ 250 Lb. seat @ 2.000 Installed, 765 Lb. @ 1.200 Open, 1.150 C.B., 644 Rate, Like PAC 1225
Part Number: SUM-174031D-16
Not Yet Reviewed
Estimated Ship Date: Monday 10/20/2025
Estimated Ship Date: Monday 10/20/2025
BBC 1.625 Dual Springs, Solid Roller .900 Max Lift @ 280 Lb. seat @ 2.100 Installed, 847 Lb. @ 1.150 Open, 1.100 C.B., 629 Rate, 152g Like PAC 1228
Part Number: SUM-174043D-1
Not Yet Reviewed
Estimated Ship Date: Monday 10/20/2025
Estimated Ship Date: Monday 10/20/2025
BBC 1.625 Dual Springs, Solid Roller .900 Max Lift @ 280 Lb. seat @ 2.100 Installed, 847 Lb. @ 1.150 Open, 1.100 C.B., 629 Rate, 152g Like PAC 1228
Part Number: SUM-174043D-16
Not Yet Reviewed
Estimated Ship Date: Monday 10/20/2025
Estimated Ship Date: Monday 10/20/2025
LS Dual Springs, Hyd. Roller,.650 Max Lift @ 160 Lb. seat @ 1.800 Installed, 425 Lb. @ 1.125 Open, 1.020 C.B., 1.304 Dia., 392 Rate, Like PAC 1905 .
Part Number: SUM-174010D-16
Not Yet Reviewed
Estimated Ship Date: Monday 10/20/2025
Estimated Ship Date: Monday 10/20/2025
Pro LS Valve Spring, Drop in, 0.630 Max Lift, Single Beehive, 1.300 in. O.D., 340 lbs./in. Spring Rate, 1.800 in. Installed Height, Each
Part Number: SUM-174005-1
Not Yet Reviewed
Estimated Ship Date: Monday 10/20/2025
Estimated Ship Date: Monday 10/20/2025
Hemi or LT Beehive Springs, .625 Lift @ 140 Lb. seat @ 1.900 Install, 438 @ 1.250 Open, 1.215 C.B., 1.290 Dia., 405 Rate, Like PAC 1275X PSI 1515
Part Number: SUM-174014BP-1
Not Yet Reviewed
Estimated Ship Date: Monday 10/20/2025
Estimated Ship Date: Monday 10/20/2025
Rocker Arm, Stud Mount, OEM-Style, Stamped Steel, 1.6 Ratio, Fits 3/8 in. Stud, Chevy, Small Block, Each
Part Number: SUM-G6801-1
Not Yet Reviewed
Estimated Ship Date: Monday 10/20/2025
Estimated Ship Date: Monday 10/20/2025
Cam and Lifter kit, Stage 4 Pro LS Twin-Turbo Cam. 240/242 Dur., 116+4, .625/.605 Lift, 3-bolt, 5.3, 5.7, 6.0, 6.2, 7.0, Each
Part Number: SUM-K8723R1
Not Yet Reviewed
Estimated Ship Date: Monday 10/20/2025
Estimated Ship Date: Monday 10/20/2025
Cam and Lifter kit, Stage 4.5 Pro LS Twin-Turbo Cam. 242/248 Dur., 116+5, .625/.605 Lift, 3-bolt, 5.3, 5.7, 6.0, 6.2, 7.0, Each
Part Number: SUM-K8724R1
Not Yet Reviewed
Estimated Ship Date: Monday 10/20/2025
Estimated Ship Date: Monday 10/20/2025
Cam and Lifter kit, Stage 5 Pro LS Twin-Turbo Cam. 247/251 Dur., 117.5+5.5, .625/.615 Lift, 3-bolt, 5.3, 5.7, 6.0, 6.2, 7.0, Each
Part Number: SUM-K8725R1
Not Yet Reviewed
Estimated Ship Date: Monday 10/20/2025
Estimated Ship Date: Monday 10/20/2025
Pro LT Gen. V, Truck Torkinator Best 6.2 Drop-In Cam, 212/222 Duration, 110 LSA + 3 Adv. .540/.540 Lift, LT4 Fuel Lobe, VVT Limited, AFM Delete
Part Number: SUM-8751
Not Yet Reviewed
Estimated Ship Date: Monday 10/20/2025
Estimated Ship Date: Monday 10/20/2025
Pro SBC CT2 Hydraulic Roller Cam 1, LS Firing Order, 238/254 Dur., 109 LSA, +4 Adv., .530I/.530E Lift with 1.5, .565I/.565E Lift, 1.6, Roller Block
Part Number: SUM-8816SN
Not Yet Reviewed
Estimated Ship Date: Monday 10/20/2025
Estimated Ship Date: Monday 10/20/2025
Pro SBF Best Hydraulic Roller Cam 8, 242/256 Duration, 110.5 LSA + 3.5 Adv. .587/.587 lift 1.6 ratio, .625/.625 lift 1.7 ratio, 3,600-7,100 basic rpm
Part Number: SUM-8908
Not Yet Reviewed
Estimated Ship Date: Monday 10/20/2025
Estimated Ship Date: Monday 10/20/2025
Pro SBF Best Hydraulic Roller Cam 10, 252/264 Duration, 109 LSA + 3 Adv. .587/.587 lift 1.6 ratio, .625/.625 lift 1.7 ratio, 4,000-7,500 basic rpm
Part Number: SUM-8910
Not Yet Reviewed
Estimated Ship Date: Monday 10/20/2025
Estimated Ship Date: Monday 10/20/2025
Pro Hemi Best Hydraulic Roller Single-Plane Cam 2, 224/244 Duration, 112 LSA + 5 Adv. .625/.625 lift 3,200-6,600 basic rpm range, 2009+ 5.7 6.2 6.4
Part Number: SUM-5751
Not Yet Reviewed
Estimated Ship Date: Monday 10/20/2025
Estimated Ship Date: Monday 10/20/2025
Pro Hemi 232 Short-runner Cam, MDS and VVT Delete, 232/251 Duration, 110 LSA + 5 Adv. .625/.625 lift 3,900-7,100 basic rpm range, 2009+ 5.7 6.2 6.4
Part Number: SUM-5752
Not Yet Reviewed
Estimated Ship Date: Monday 10/20/2025
Estimated Ship Date: Monday 10/20/2025
Pro Hemi 251 Short-runner Cam, MDS and VVT Delete, 251/264 Duration, 110 LSA + 4 Adv. .625/.625 lift 4,800-8,000 basic rpm range, 2009+ 5.7 6.2 6.4
Part Number: SUM-5756
Not Yet Reviewed
Estimated Ship Date: Monday 10/20/2025
Estimated Ship Date: Monday 10/20/2025
Pro LS S.P.1 Cam, 226/248 Duration, 111 LSA + 5 Adv, .625/.605 lift, 3-Bolt, compatible with SUM-174005 springs. Gen, 3/4 5,3 5,7 6,0 6.2 7.0
Part Number: SUM-8740R1
Not Yet Reviewed
Estimated Ship Date: Monday 10/20/2025
Estimated Ship Date: Monday 10/20/2025
Pro LS S.P.2 Cam, 234/251 Duration, 110 LSA + 5 Adv,.625/.625 lift, 3-Bolt, compatible with SUM-174005 springs. Gen. 3/4 5.3 5.7 6.0 6.2 7.0
Part Number: SUM-8741R1
Not Yet Reviewed
Estimated Ship Date: Monday 10/20/2025
Estimated Ship Date: Monday 10/20/2025
Gen. V Pro LT Cam 2, 222/242 Duration, 113.5 LSA + 5.5 Adv. .625/.625 Lift, LT4 Fuel Lobe, VVT Limited, AFM Delete, SUM-174014BP-16 springs
Part Number: SUM-8757
Not Yet Reviewed
Estimated Ship Date: Monday 10/20/2025
Estimated Ship Date: Monday 10/20/2025
Gen. V Pro LT Cam 3, 226/246 Duration, 115 LSA + 6 Adv. .625/.625 Lift, LT4 Fuel Lobe, VVT Delete, AFM Delete, SUM-174014BP-16 springs
Part Number: SUM-8758
Not Yet Reviewed
Estimated Ship Date: Monday 10/20/2025
Estimated Ship Date: Monday 10/20/2025
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