Camshafts & Valvetrain

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: Tuesday 9/2/2025

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 ea.

Part Number: SUM-174010D-1

Not Yet Reviewed

Estimated Ship Date: Tuesday 9/2/2025

Hemi or LT Beehive Springs, .650 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: Tuesday 9/2/2025

Hemi Beehive Springs, .680 Max Lift @ 150 Lb. seat @ 1.800 Installed, 429 @1.120 Open. 1.070 C.B., 1.290 Dia., 410 Rate, Like PAC 1276X PSI 1516

Part Number: SUM-174015BP-1

Not Yet Reviewed

Estimated Ship Date: Tuesday 9/2/2025

Pushrods, Valvetrain, GM Genuine Parts Pushrods, 3/8 in. Diameter, 7.750 in. Length, Chevy, Each

Part Number: ADO-12593344

Not Yet Reviewed

Estimated Ship Date: Tuesday 9/2/2025

• $20.00 Summit Bucks

Rocker Arm Spacers, Ultra Pro Magnum, Shaft Rockers, Mopar, Each

Part Number: CCA-CR40

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Tuesday 9/2/2025

Rocker Arm, Stud Mount, Roller Tip, Steel, 1.65 Ratio, Fits 7/16 in. Stud, Pontiac, Each

Part Number: CCA-1452-1

Not Yet Reviewed

Estimated Ship Date: Tuesday 9/2/2025

Timing Chain, Double Roller, GMC, 305, V6, Each

Part Number: MEL-166

Not Yet Reviewed

Estimated Ship Date: Tuesday 9/2/2025

Lifter Guide, Hydraulic Roller Style, Plastic, Chevy, LS-2, Non AFM/DOD engines, Each

Part Number: SUM-150133

Not Yet Reviewed

Estimated Ship Date: Tuesday 9/2/2025

EXHAUST VALVE

Part Number: MAH-2114636

Not Yet Reviewed

Estimated Ship Date: Tuesday 9/2/2025

Valve, Intake, 1.875 in. Valve Head Diameter, 21-2N/SIL-Chrome1, Chevy, 3.8L, 3.9L, 4.3L, Each

Part Number: SLP-V-1076

Not Yet Reviewed

Estimated Ship Date: Tuesday 9/2/2025

Intake Valve - Henry J 134 Eng. (1951-54) AMC/Jeep L Head 134 Eng. (1941-63)

Part Number: MAH-2111563

Not Yet Reviewed

Estimated Ship Date: Oct 2, 2025 if ordered today

• Special Order

Exhaust Valve - GMC Pass. & GMC Trk. 151, 153, 194, 215, 216, 229, 230, 235, 250, 262,

Part Number: MAH-2111679

Not Yet Reviewed

Estimated Ship Date: Oct 2, 2025 if ordered today

• Special Order

Valve, Exhaust, 1.450 in. Head Diameter, 8.66mm Stem Diameter, 4.865 in. Overall Length, Ford, Mercury, Each

Part Number: MAH-2111915

Not Yet Reviewed

Estimated Ship Date: Oct 2, 2025 if ordered today

• Special Order

Exhaust Valve - Cummins NH 230

Part Number: MAH-2111945

Not Yet Reviewed

Estimated Ship Date: Oct 2, 2025 if ordered today

• Special Order

Exhaust Valve - Ford Pass. 1.9L CFI Eng. (87-90)

Part Number: MAH-2112709

Not Yet Reviewed

Estimated Ship Date: Oct 2, 2025 if ordered today

• Special Order

Exhaust Valve - Chrys., Dodge, Ply., (3.5L) 215cu (24 Vlv) DOHC V6 Eng.- Bore 3.780"/96mm;

Part Number: MAH-2113214

Not Yet Reviewed

Estimated Ship Date: Oct 2, 2025 if ordered today

• Special Order

Exhaust Valve - GMC Pass 265cu (4.3L) Vin "W" MFI (V6), 350cu (5.7L) Vin "P" MFI (V8) Engs.

Part Number: MAH-2113234

Not Yet Reviewed

Estimated Ship Date: Oct 2, 2025 if ordered today

• Special Order

Exhaust Valve - Chev. V8, 302-327-350, 1965-77

Part Number: MAH-2113275

Not Yet Reviewed

Estimated Ship Date: Oct 2, 2025 if ordered today

• Special Order

AUTO VALVE EXH

Part Number: MAH-2113286

Not Yet Reviewed

Estimated Ship Date: Oct 2, 2025 if ordered today

• Special Order

INTAKE VALVE

Part Number: CLE-2114292

Not Yet Reviewed

Estimated Ship Date: Oct 13, 2025 if ordered today

• Special Order

Pushrods, Chromoly, Heat-Treated, 5/16 in. Diameter, 7.200 in. Length, 0.080 in Wall, Each

Part Number: TPD-T720805CL

Not Yet Reviewed

Estimated Ship Date: Sep 29, 2025 if ordered today

• Special Order

Pushrods, Chromoly, Heat-Treated, 5/16 in. Diameter, 7.400 in. Length, 0.080 in Wall, Each

Part Number: TPD-T740805CL

Not Yet Reviewed

Estimated Ship Date: Sep 29, 2025 if ordered today

• Special Order

Pushrods, Chromoly, Heat-Treated, 5/16 in. Diameter, 7.550 in. Length, 0.080 in Wall, Each

Part Number: TPD-T755805CL

Not Yet Reviewed

Estimated Ship Date: Sep 29, 2025 if ordered today

• Special Order

Pushrods, Chromoly, Heat-Treated, 5/16 in. Diameter, 7.600 in. Length, 0.080 in Wall, Each

Part Number: TPD-T760805CL

Not Yet Reviewed

Estimated Ship Date: Sep 29, 2025 if ordered today

• Special Order