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Engines & Engine Parts
Welcome to your headquarters for horsepower—the place to get everything you need to build real power and performance! We’ve got competition-proven crate engines, performance-matched...
Welcome to your headquarters for horsepower—the place to get everything you need to build real power and performance! We’ve got competition-proven crate engines, performance-matched top end kits, and complete rotating assemblies from the biggest names in the industry. You can add a set of high-flow cylinder heads to your powerplant, upgrade your valvetrain, improve your oiling system, or drop in a new set of pistons. We also have a complete selection of crankshafts, connecting rods, harmonic balancers, pulleys, and engine brackets. We even have everything you need to restore the horsepower that time has stolen from your...
Welcome to your headquarters for horsepower—the place to get everything you need to build real power and performance! We’ve got competition-proven crate engines, performance-matched top end kits, and complete rotating assemblies from the biggest names in the industry. You can add a set of high-flow cylinder heads to your powerplant, upgrade your valvetrain, improve your oiling system, or drop in a new set of pistons. We also have a complete selection of crankshafts, connecting rods, harmonic balancers, pulleys, and engine brackets. We even have everything you need to restore the horsepower that time has stolen from your daily driver.
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Connecting Rods, SIR 5140 Steel, I-Beam, 5.956 in. Length, Press Fit, Ford, Small Block, Set of 8
Part Number: ESP-SIR5956FP
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
4340 ROD 5.956" FORD 351W
Part Number: ESP-CRS5956F3D-1
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Piston and Ring Seit, Hypereutectic, Dish, Two Valve Reliefs, 4.040 in. Bore, for 5.956 in. Connecting Rod, +27.50 cc Volume, Ford, 351W, Kit
Part Number: UEM-KB319KTM-040
Not Yet Reviewed
Estimated Ship Date: May 15, 2026 if ordered today
Estimated Ship Date: May 15, 2026 if ordered today
Connecting Rod, I-Beam "SIR" Ford 351W 5.956" Length Bushed 570 Grams, Each
Part Number: ESP-SIR5956FB-1
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
ICON FHR Piston - Ford 351W, Rod 5.956, Flat Top +11cc 4V Kit with rings
Part Number: UEM-IC10010030K1
Not Yet Reviewed
Estimated Ship Date: May 14, 2026 if ordered today
Estimated Ship Date: May 14, 2026 if ordered today
ICON FHR Piston - Ford 351W, Rod 5.956, Flat Top +11cc 4V
Part Number: UEM-IC10010-030
Not Yet Reviewed
Estimated Ship Date: May 14, 2026 if ordered today
Estimated Ship Date: May 14, 2026 if ordered today
ICON Forged Single Piston - Ford 351W Rod 5.956 Flat Top 4.8cc 2V
Part Number: UEM-SIC729-060
Not Yet Reviewed
Estimated Ship Date: May 15, 2026 if ordered today
Estimated Ship Date: May 15, 2026 if ordered today
Pistons, Forged, Flat Top, 2-Valve Reliefs, 4.060 in. Bore, 3.500 in. Stroke, 5.956 in. Rod, 1.774 in. Compression, Ford, Set of 8
Part Number: JEP-138732
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Pistons, AutoTec SBF, 4.03, 3.85, Flat Top 5.956, 0.912, SBF 351W 20°, Sold as a set of 8.
Part Number: PIS-1000452
Not Yet Reviewed
Estimated Ship Date: May 27, 2026 if ordered today
Estimated Ship Date: May 27, 2026 if ordered today
ICON Forged Single Piston - Ford 351W Rod 5.956 Solid Dome -6.8cc 2V
Part Number: UEM-SIC738-040
Not Yet Reviewed
Estimated Ship Date: May 15, 2026 if ordered today
Estimated Ship Date: May 15, 2026 if ordered today
ICON Single FHR Piston - Ford 351W Rod 5.956 Flat Top +11cc 4V
Part Number: UEM-SIC10010-060
Not Yet Reviewed
Estimated Ship Date: May 14, 2026 if ordered today
Estimated Ship Date: May 14, 2026 if ordered today
ICON Forged Single Piston - Ford 351W Rod 5.956 Flat Top 4.8cc 2V
Part Number: UEM-SIC729-040
Not Yet Reviewed
Estimated Ship Date: May 15, 2026 if ordered today
Estimated Ship Date: May 15, 2026 if ordered today
ICON Forged Single Piston - Ford 393W Rod 5.956 Step Dish 28cc 2V
Part Number: UEM-SIC848-040
Not Yet Reviewed
Estimated Ship Date: May 15, 2026 if ordered today
Estimated Ship Date: May 15, 2026 if ordered today
ICON Single FHR Piston - Ford 351W Rod 5.956 Flat Top +11cc 4V
Part Number: UEM-SIC10010-040
Not Yet Reviewed
Estimated Ship Date: May 15, 2026 if ordered today
Estimated Ship Date: May 15, 2026 if ordered today
Pistons, AutoTec SBF, 4.06, 3.85, Flat Top 5.956, 0.912, SBF 351W 20°, Sold as a set of 8.
Part Number: PIS-1000454
Not Yet Reviewed
Estimated Ship Date: May 27, 2026 if ordered today
Estimated Ship Date: May 27, 2026 if ordered today
ICON FHR Piston - Ford 351W, Rod 5.956, Flat Top +11cc 4V Kit with rings
Part Number: UEM-IC10010060K1
Not Yet Reviewed
Estimated Ship Date: May 15, 2026 if ordered today
Estimated Ship Date: May 15, 2026 if ordered today
ICON FHR Piston - Ford 351W, Rod 5.956, Flat Top +11cc 4V
Part Number: UEM-IC10010-060
Not Yet Reviewed
Estimated Ship Date: May 15, 2026 if ordered today
Estimated Ship Date: May 15, 2026 if ordered today
Pistons, Forged, Dish, 2-Valve Reliefs, 4.040 in. Bore, 3.850 in. Stroke, 5.956 in. Rod, 1.600 in. Compression, Ford, Set of 8
Part Number: JEP-138727
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
ICON Forged Single Piston - Ford 351W Rod 5.956 Flat Top 4.8cc 2V
Part Number: UEM-SIC729-030
Not Yet Reviewed
Estimated Ship Date: May 15, 2026 if ordered today
Estimated Ship Date: May 15, 2026 if ordered today
ICON Forged Single Piston - Ford 351W Rod 5.956 Solid Dome -6.8cc 2V
Part Number: UEM-SIC738-030
Not Yet Reviewed
Estimated Ship Date: May 15, 2026 if ordered today
Estimated Ship Date: May 15, 2026 if ordered today
Pistons, Forged, Flat Top, 2-Valve Reliefs, 4.030 in. Bore, 3.500 in. Stroke, 5.956 in. Rod, 1.774 in. Compression, Ford, Set of 8
Part Number: JEP-138730
Not Yet Reviewed
Estimated Ship Date: Apr 27, 2026 if ordered today
Estimated Ship Date: Apr 27, 2026 if ordered today
Crankshaft, 1 or 2-Piece Seal, 28 oz. External Balance, Cast Steel, 3.85 in. Stroke, Ford, 351W, Each
Part Number: ESP-103513850
Estimated Ship Date: Today
Estimated Ship Date: Today
Pistons, E-Series, Forged, Flat, 4.030 in. Bore, Ford, Set of 8
Part Number: DMS-8750-4030
Estimated Ship Date: Today
Estimated Ship Date: Today
Pistons, Hypereutectic, Flat, 4.030 in. Bore, Ford, Mercury, Set of 8
Part Number: SLP-H336CP30
Estimated Ship Date: Today
Estimated Ship Date: Today
Connecting Rods, SIR 5140 I-Beam, Cap Screw, Bushed, Ford, Small Block, Set of 8
Part Number: ESP-5956FB
Estimated Ship Date: Today
Estimated Ship Date: Today
