Summit Racing Engines & Components

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

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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

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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

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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

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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

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Piston, Hypereutectic, Flat, 4.000 in. Bore, Ford, Each

Part Number: SUM-17302-00-1

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Piston, Hypereutectic, Dished, 4.030 in. Bore, Chevy, Each

Part Number: SUM-17383-30-1

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Piston, Hypereutectic, Dished, 4.040 in. Bore, Chevy, Each

Part Number: SUM-17383-40-1

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Piston, Hypereutectic, Dished, 4.000 in. Bore, Chevy, Each

Part Number: SUM-17383-00-1

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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

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Main Bearings, Bi-Metal, Silicon Aluminum, 0.030 in. Crankshaft Undersize, GM Gen III/IV LS, Set of 5

Part Number: SUM-172330

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Rod Bearing, Subaru EJ15,16,18,20,22,25,20T,20TT,22T,25T w/52 mm journal .001 Undersize, Set

Part Number: SUM-8296H1

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Piston, Hypereutectic, Flat, 4.030 in. Bore, Ford, SBF, Each

Part Number: SUM-17302C-30-1

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