Summit Racing Performance, Restoration & Replacement Parts & Tools

Replacement Piston and Components: If not in stock, order MUST be placed to trigger singles. Average ETA of 3 business days if kits are in stock

Part Number: SUM-326S43820-2F

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Estimated Ship Date: Monday 1/5/2026

Replacement Piston and Components: If not in stock, order MUST be placed to trigger singles. Average ETA of 3 business days if kits are in stock

Part Number: SUM-110S27407521

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Estimated Ship Date: Monday 1/5/2026

Replacement Piston and Components: If not in stock, order MUST be placed to trigger singles. Average ETA of 3 business days if kits are in stock

Part Number: SUM-110S274080-6

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Estimated Ship Date: Monday 1/5/2026

2018-23 Ford Coyote V8 Valve Springs, .551 Max lift @ 80 Lb. seat @ 1.811 Installed, 214 Lb. @ 1.260 Open, 1.208 CB, 1.031 Dia., 245 Rate, PAC 1281X

Part Number: SUM-174022BP-16

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Estimated Ship Date: Monday 1/5/2026

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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-16

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Estimated Ship Date: Monday 1/5/2026

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BBC 1.625 Dual Springs, Solid Roller .850 Max Lift @ 275 Lb. seat @ 2.000 Installed, 810 Lb. @ 1.150 Open, 1.100 C.B., 629 Rate, 152g Like PAC 1224

Part Number: SUM-174042D-1

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Estimated Ship Date: Monday 1/5/2026

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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Estimated Ship Date: Monday 1/5/2026

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

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Estimated Ship Date: Monday 1/5/2026

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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

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Estimated Ship Date: Monday 1/5/2026

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

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Estimated Ship Date: Monday 1/5/2026

LS Dual Springs, Solid Roller, .750 Max Lift @ 250 Lb. seat @ 1.800 Installed, 700 Lb. @ 1.050 Open, .985 C.B., 1.274 Dia., .600 Rate, Like PAC 1238X.

Part Number: SUM-174012DP-1

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Estimated Ship Date: Monday 1/5/2026

2018-23 Ford Coyote V8 Valve Springs, .551 Max lift @ 80 Lb. seat @ 1.811 Installed, 214 Lb. @ 1.260 Open, 1.208 CB, 1.031 Dia., 245 Rate, PAC 1281X

Part Number: SUM-174022BP-1

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Estimated Ship Date: Monday 1/5/2026

LS Dual Springs, Solid Roller, .750 Max Lift @ 250 Lb. seat @ 1.800 Installed, 700 Lb. @ 1.050 Open, .985 C.B., 1.274 Dia., .600 Rate, Like PAC 1238X

Part Number: SUM-174012DP-16

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Estimated Ship Date: Monday 1/5/2026

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LS Dual Springs, Solid Roller.765 Max Lift @ 250 Lb. seat @ 1.800 Installed, 860 Lb. @ 1.050 Open, .985 C.B., 1.300 O.D., 813 Rate, Like PAC 1335

Part Number: SUM-174013DP-1

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Estimated Ship Date: Monday 1/5/2026

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

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Estimated Ship Date: Monday 1/5/2026

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

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Estimated Ship Date: Monday 1/5/2026

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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Estimated Ship Date: Monday 1/5/2026

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

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Estimated Ship Date: Monday 1/5/2026

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Pro LS Piston and Rod Kit, 330 Cid., 3.810 bore, Standard 3.622 stroke, 6.125 rod, 2cc dome, 11:1 @ 61cc, 10.4:1 @ 65cc, File-Fit Rings

Part Number: SUM-PR36L8102

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Estimated Ship Date: Monday 1/5/2026

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Forged Pro SBC or Conversion Rod for Windsor Strokers, 4340 Forged Steel I-Beam, 6.2 in. Length .927 Pin, 7/16 in.12 pt. Bolts

Part Number: SUM-180SBF6200I

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Estimated Ship Date: Monday 1/5/2026

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Pro LS Piston and Rod Kit, 365 Cid., 4.005 bore, 3.622 stroke, 6.098 rod, 2cc Flat Top, 10.8:1 @ 65cc, 10.2:1 @ 70cc, File-Fit Rings

Part Number: SUM-PR360052

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 1/5/2026

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Pro LS 4340 Piston and Rod Kit, 377 Cid., 4.070 bore, 3.622 stroke, 6.125 rod, 2cc dome, 11.6:1 @ 65cc, 10.9:1 @ 70cc, File-Fit Rings

Part Number: SUM-PR36L0702

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Estimated Ship Date: Monday 1/5/2026

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Connecting Rods, 4340, I-Beam, Thru-Bolt, 5.700 in. Length, 475 HP, Chevy, Small Block, Set of 8

Part Number: SUM-180370P

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 1/5/2026

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Pro LS 4340 Piston and Rod Kit, 376 Cid., 4.065 bore, 3.622 stroke, 6.125 rod, 12cc dish, 9.9:1 @ 65cc, 9.4:1 @ 70cc, File-Fit Rings

Part Number: SUM-PR36L06512

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Estimated Ship Date: Monday 1/5/2026

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Pro LS Rotating Assembly, 370 Cid., 4.030 bore, 3.622 stroke, 58x, 6.125 rod, 2cc Flat Top, 10.9:1 @ 65cc, 10.3:1 @ 70cc, File-Fit Rings, H Bearings

Part Number: SUM-R5836L0302

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Estimated Ship Date: Monday 1/5/2026