Availability
6.4 Apache Hemi Valve Springs, .650 Max Lift @ 175 Lb. seat @ 2.050 Installed, 450 Lb. @ 1.396 Open, 1.346 C.B. 1.345 Dia., 423 Rate, Like PAC 1232X
Part Number: SUM-174016BP-1
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
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-1
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
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: Today
Estimated Ship Date: Today
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: Today
Estimated Ship Date: Today
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: Today
Estimated Ship Date: Today
Piston, Hypereutectic, Flat, 4.000 in. Bore, Ford, Each
Part Number: SUM-17302-00-1
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Piston, Hypereutectic, Dished, 4.030 in. Bore, Chevy, Each
Part Number: SUM-17383-30-1
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Piston, Hypereutectic, Dished, 4.040 in. Bore, Chevy, Each
Part Number: SUM-17383-40-1
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Piston, Hypereutectic, Dished, 4.000 in. Bore, Chevy, Each
Part Number: SUM-17383-00-1
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Rocker Arms, Gold Series, Full Roller, Stud Mounting Style, 1.7 Ratio, Aluminum, Gold Anodized, Chevrolet, Chevy Big Block, Each
Part Number: SUM-G6830G-1
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Main Bearings, Bi-Metal, Silicon Aluminum, 0.030 in. Crankshaft Undersize, GM Gen III/IV LS, Set of 5
Part Number: SUM-172330
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Rod Bearing, Subaru EJ15,16,18,20,22,25,20T,20TT,22T,25T w/52 mm journal .001 Undersize, Set
Part Number: SUM-8296H1
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Piston, Hypereutectic, Flat, 4.030 in. Bore, Ford, SBF, Each
Part Number: SUM-17302C-30-1
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Modal Header
Call To Order
This is a custom order part. You can order this part by Contacting Us.