Summit Racing Engines & Components

Pro GPX 89.5mm/3.524 Gas Ported Rings, Forged Sport Compact pistons, File Fit, Gas Nitrided, 1.0mm, 1.2mm, 2.8mm Thickness, Single Piston Set,

Part Number: SUM-GP8950XX

Not Yet Reviewed

Estimated Ship Date: Today

Pro GPX 92mm/3.622 Gas Ported Rings, Aftermarket forged pistons, File Fit, Gas Nitrided, 1.0mm, 1.2mm, 2.8mm Thickness, Single Piston Set

Part Number: SUM-GP9200XX

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Estimated Ship Date: Today

Pro GPX 81.25mm/3.199 Gas Ported Rings, Forged Honda B series pistons, File Fit, Gas Nitrided, 1.0mm, 1.2mm, 2.8mm Thickness, Single Piston Set

Part Number: SUM-GP8125XX

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Estimated Ship Date: Today

Piston Rings, Pro GPX Gas Ported, 73mm/2.874 in. Bore, Forged Sport Compact, File Fit, Gas Nitrided, 1.0mm, 1.2mm, 2.8mm Thickness, Single Piston Set

Part Number: SUM-GP7300XX

Not Yet Reviewed

Estimated Ship Date: Today

Dipstick Handle. Spark Plug, Billet Aluminum, Polished, Each

Part Number: SUM-122231

Not Yet Reviewed

Estimated Ship Date: Today

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: Today

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

Not Yet Reviewed

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

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: 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

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Estimated Ship Date: Today

Valve Covers, Circle Track, Tall, Steel, Zinc, Plain, Chevy, Small Block, Pair

Part Number: SUM-G3289

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Estimated Ship Date: Today

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

ROD BOLT 716 1400 2000 PR

Part Number: SUM-716140020-2

Not Yet Reviewed

Estimated Ship Date: Jan 26, 2026 if ordered today

ROD BOLT 716 1600 L19 PR

Part Number: SUM-716160019-2

Not Yet Reviewed

Estimated Ship Date: Jan 26, 2026 if ordered today

ROD BOLT 716 1600 2000 PR

Part Number: SUM-716160020-2

Not Yet Reviewed

Estimated Ship Date: Jan 26, 2026 if ordered today

Timing Chain and Gear Set, OE Replacement, Ford, Mercury, Mazda, Set

Part Number: SUM-TS73138

Not Yet Reviewed

Estimated Ship Date: Jan 12, 2026 if ordered today

• Special Order

Pushrods, Steel, 5/16 in. Diameter, Buick, 455, Set of 16

Part Number: SUM-G6402

Not Yet Reviewed

Estimated Ship Date: Jan 19, 2026 if ordered today

• Special Order

Timing Chain and Gear Set, OE Replacement, Dodge, Set

Part Number: SUM-TS73089

Not Yet Reviewed

Estimated Ship Date: Jan 15, 2026 if ordered today

• Special Order

Timing Chain and Gear Set, Single Roller, Steel Sprockets, Chevy, GMC, Oldsmobile, 4.3L, Set

Part Number: SUM-TS73135

Not Yet Reviewed

Estimated Ship Date: Jan 15, 2026 if ordered today

• Special Order

Main Bearings, 1/2 Groove, .030 in. Crankshaft Undersize, Bi Metal, Silicon Aluminum, Ford, 221-302, Set of 5

Part Number: SUM-172130

Not Yet Reviewed

• Special Order

Timing Chain and Gear Set, OE Replacement, GM, Set

Part Number: SUM-TS73112

Not Yet Reviewed

Estimated Ship Date: Jan 13, 2026 if ordered today

• Special Order

Pro GPX 92mm/3.622 Gas Ported Rings, Subaru forged pistons, File Fit, Gas Nitrided, 1.0mm, 1.0mm, 2.0mm Thickness, Tabbed Oil Ring, Single Piston Set

Part Number: SUM-GP92SUBU

Not Yet Reviewed

Estimated Ship Date: Dec 30, 2025 if ordered today

• Special Order

Pro GPX 93.5mm/3.681 Gas Ported Rings, Aftermarket forged pistons, File Fit, Gas Nitrided, 1.0mm, 1.2mm, 2.8mm Thickness, Single Piston Set

Part Number: SUM-GP9350XX

Not Yet Reviewed

Estimated Ship Date: Dec 30, 2025 if ordered today

• Special Order

Pro GPX 93mm/3.661 Gas Ported Rings, Subaru forged pistons, Gas Nitride, 1.0mm, 1.0mm, 2.0mm Thickness, Tabbed Oil Ring, Single Piston Set

Part Number: SUM-GP93SUBU

Not Yet Reviewed

Estimated Ship Date: Dec 30, 2025 if ordered today

• Special Order

Pro GPX 94mm/3.701 Gas Ported Rings, Aftermarket forged pistons,File Fit, Gas Nitrided, 1.0mm, 1.2mm, 2.8mm Thickness, Single Piston Set

Part Number: SUM-GP9400XX

Not Yet Reviewed

Estimated Ship Date: Dec 30, 2025 if ordered today

• Special Order