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Universal Fit

Need parts that work across platforms? Our Universal Fit collection includes components...

Universal Fit

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Welcome to WrenchIt — premium performance parts for serious builders.

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Collection: Mopar Big Block

Browse our performance parts for Mopar Big Block engines, including 383 and 440. Perfect for Charger, Road Runner, and other classic Chrysler builds.

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118 products

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118 products

Mopar Chrysler BB 383 440 Billet Oil Pump

Sold out

Mopar Chrysler BB 383 440 Billet Oil Pump

Vendor:
Speedmaster

Regular price $288.50 USD

Regular price Sale price $288.50 USD

Sold out
Chevy SBC 383 ci 6.0" 4.060" 1.100" 0.927" Flat Top Forged Pistons 2.5mm

Chevy SBC 383 ci 6.0" 4.060" 1.100" 0.927" Flat Top Forged Pistons 2.5mm

Vendor:
Speedmaster

Regular price $357.30 USD

Regular price Sale price $357.30 USD
Chevy SBC 383 ci 6.0" 4.040" 1.100" 0.927" Flat Top Forged Pistons 2.5mm

Chevy SBC 383 ci 6.0" 4.040" 1.100" 0.927" Flat Top Forged Pistons 2.5mm

Vendor:
Speedmaster

Regular price $357.20 USD

Regular price Sale price $357.20 USD
Chevy SBC 383 ci 6.0" 4.020" 1.100" 0.927" Flat Top Forged Pistons 2.5mm

Chevy SBC 383 ci 6.0" 4.020" 1.100" 0.927" Flat Top Forged Pistons 2.5mm

Vendor:
Speedmaster

Regular price $357.20 USD

Regular price Sale price $357.20 USD
Mopar Chrysler BB 383 440 Shaft 1.6 Ratio DNA® Aluminum Roller Rocker Arms Set

Mopar Chrysler BB 383 440 Shaft 1.6 Ratio DNA® Aluminum Roller Rocker Arms Set

Vendor:
Speedmaster

Regular price $297.20 USD

Regular price Sale price $297.20 USD
Mopar Chrysler BB 383 440 Shaft 1.5 Ratio DNA® Aluminum Roller Rocker Arms Set

Mopar Chrysler BB 383 440 Shaft 1.5 Ratio DNA® Aluminum Roller Rocker Arms Set

Vendor:
Speedmaster

Regular price $319.90 USD

Regular price Sale price $319.90 USD
I Beam Race 6.760" 2.375" .990" Bronze Bush 4340 Connecting Rods - Mopar BB 440

Sale

I Beam Race 6.760" 2.375" .990" Bronze Bush 4340 Connecting Rods - Mopar BB 440

Vendor:
Speedmaster

Regular price $390.30 USD

Regular price ~~$459.10 USD~~ Sale price $390.30 USD

Sale
H Beam 6.760 2.375 .990 Bronze Bush 4340 Connecting Rods Mopar BB 440

Sale

H Beam 6.760 2.375 .990 Bronze Bush 4340 Connecting Rods Mopar BB 440

Vendor:
Speedmaster

Regular price $394.10 USD

Regular price ~~$437.90 USD~~ Sale price $394.10 USD

Sale
1.440" Od. 1.050" Id. 7 Degree 11/32 Chromoly Steel Valve Spring Retainers

Sale

1.440" Od. 1.050" Id. 7 Degree 11/32 Chromoly Steel Valve Spring Retainers

Vendor:
Speedmaster

Regular price $18.60 USD

Regular price ~~$26.60 USD~~ Sale price $18.60 USD

Sale
Mopar Chrysler BB 383 440 Dual Idler Noisey Timing Gear Drive Set

Sale

Mopar Chrysler BB 383 440 Dual Idler Noisey Timing Gear Drive Set

Vendor:
Speedmaster

Regular price $108.80 USD

Regular price ~~$128.00 USD~~ Sale price $108.80 USD

Sale
Mopar Chrysler BB 383 440 Aluminum Removable Cam Plate Timing Chain Cover

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Mopar Chrysler BB 383 440 Aluminum Removable Cam Plate Timing Chain Cover

Vendor:
Speedmaster

Regular price $89.10 USD

Regular price Sale price $89.10 USD

Sold out
Mopar Chrysler BB 383 440 Steel Plated Timing Chain Cover Chrome

Sale

Mopar Chrysler BB 383 440 Steel Plated Timing Chain Cover Chrome

Vendor:
Speedmaster

Regular price $19.20 USD

Regular price ~~$22.50 USD~~ Sale price $19.20 USD

Sale
Mopar Chrysler BB 383 440 1.5 Aluminum Roller Rocker Arms & Shafts (Ofset .650)

Sale

Mopar Chrysler BB 383 440 1.5 Aluminum Roller Rocker Arms & Shafts (Ofset .650)

Vendor:
Speedmaster

Regular price $330.16 USD

Regular price ~~$388.40 USD~~ Sale price $330.16 USD

Sale
Mopar Chrysler BB 383 440 1.6 Stainless Steel Roller Rocker Arms W/ Hardware

Sale

Mopar Chrysler BB 383 440 1.6 Stainless Steel Roller Rocker Arms W/ Hardware

Vendor:
Speedmaster

Regular price $294.60 USD

Regular price ~~$310.10 USD~~ Sale price $294.60 USD

Sale
Mopar Chrysler BB 383 440 1.5 Stainless Steel Roller Rocker Arm Set w/ Shafts

Sale

Mopar Chrysler BB 383 440 1.5 Stainless Steel Roller Rocker Arm Set w/ Shafts

Vendor:
Speedmaster

Regular price $287.20 USD

Regular price ~~$337.80 USD~~ Sale price $287.20 USD

Sale
Mopar Chrysler BB 383 440 1.6 Ratio Aluminum Roller Rocker Arms & Shafts

Sale

Mopar Chrysler BB 383 440 1.6 Ratio Aluminum Roller Rocker Arms & Shafts

Vendor:
Speedmaster

Regular price $313.30 USD

Regular price ~~$368.50 USD~~ Sale price $313.30 USD

Sale
60mm Wide Gilmer Drive Adapter Pulley - Mopar Chrysler SB 318 340 360 BB 383 440

Sale

60mm Wide Gilmer Drive Adapter Pulley - Mopar Chrysler SB 318 340 360 BB 383 440

Vendor:
Speedmaster

Regular price $37.30 USD

Regular price ~~$43.80 USD~~ Sale price $37.30 USD

Sale
Mopar Chrysler SB 318 340 360 BB 383 440 Gilmer Drive Adapter Pulley

Mopar Chrysler SB 318 340 360 BB 383 440 Gilmer Drive Adapter Pulley

Vendor:
Speedmaster

Regular price $18.00 USD

Regular price Sale price $18.00 USD
Chevy SBC 350 010 Main Bearings (Large Journal) 262 265 267 302 305 307 327 383

Sold out

Chevy SBC 350 010 Main Bearings (Large Journal) 262 265 267 302 305 307 327 383

Vendor:
Speedmaster

Regular price $58.40 USD

Regular price Sale price $58.40 USD

Sold out
Chevy SBC 350 Std Conrod Bearings (Large Journal) 262 265 267 302 305 307 383

Sale

Chevy SBC 350 Std Conrod Bearings (Large Journal) 262 265 267 302 305 307 383

Vendor:
Speedmaster

Regular price $24.70 USD

Regular price ~~$29.00 USD~~ Sale price $24.70 USD

Sale
Chevy SBC 383 400 2Pc Rms 168 Tooth 11" External Balance Heavy Duty Flexplate

Sale

Chevy SBC 383 400 2Pc Rms 168 Tooth 11" External Balance Heavy Duty Flexplate

Vendor:
Speedmaster

Regular price $51.75 USD

Regular price ~~$60.80 USD~~ Sale price $51.75 USD

Sale
Chrysler Mopar BB 413 426 440 Supercharger Crank / Balancer Hub Only

Chrysler Mopar BB 413 426 440 Supercharger Crank / Balancer Hub Only

Vendor:
Speedmaster

Regular price $185.00 USD

Regular price Sale price $185.00 USD
Supercharger Idler Pulley Stand with Bolt and Nut [Shoulder 3.440"]

Sold out

Supercharger Idler Pulley Stand with Bolt and Nut [Shoulder 3.440"]

Vendor:
Speedmaster

Regular price $37.80 USD

Regular price Sale price $37.80 USD

Sold out
Mopar Chrysler BB 383 440 1.5 Aluminum Roller Rocker Arms & Shafts (Offset .100)

Mopar Chrysler BB 383 440 1.5 Aluminum Roller Rocker Arms & Shafts (Offset .100)

Vendor:
Speedmaster

Regular price $262.90 USD

Regular price Sale price $262.90 USD

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