Skip to content

Your cart is empty

Continue shopping

Have an account?

Log in to check out faster.

Universal Fit

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

Universal Fit

Your cart

Loading...

Estimated total

$0.00 USD

Taxes, discounts and shipping calculated at checkout.

Welcome to WrenchIt — premium performance parts for serious builders.

Shop by Application
- GM / Chevrolet
  
  Chevy Small Block
  Chevy Big Block
  LS Engines
  Pontiac
  Oldsmobile
- Fod
  
  Cleveland
  Windsor
  Big Block
  Big Block Boss
  Coyote
  Modular
  FE Series
- Mopar / Chrysler / Dodge
  
  Big Block
  Small Block
- Universal Fit
Shop by Brand
- Speedmaster
Contact

Country/region

Search

Language

English
Español

Country/region

Search

Language

English
Español

Search

Collection: Mopar Small Block

Mopar Small Block specialists — featuring parts for 318, 340, and 360 engines. Designed to enhance performance and preserve the legacy of Chrysler’s small block power.

Sort by:

193 products

Filter:

Availability (0)

Availability

In stock (165 products)
Out of stock (28 products)

Price

The highest price is $2,681.80

$

From

To

Brand (0)

Brand

Speedmaster (193 products)

Item Condition (0)

Item Condition

Brand New (193 products)

Filter and sort Filter

Filter and sort

Filter

193 products

Availability

In stock (165 products)
Out of stock (28 products)

Clear

Price

The highest price is $2,681.80

$

From

$

To

Clear

Brand

Speedmaster (193 products)

Clear

Item Condition

Brand New (193 products)

Clear

Sort by:

Remove all

193 products

I Beam Race 6.605" 2.500" 1.040" Bronze Bush 4340 Connecting Rods - Ford 460

Sale

I Beam Race 6.605" 2.500" 1.040" Bronze Bush 4340 Connecting Rods - Ford 460

Vendor:
Speedmaster

Regular price $394.00 USD

Regular price ~~$437.80 USD~~ Sale price $394.00 USD

Sale
I Beam Race 6.800" 2.200" .990" Bronze Bush 4340 Connecting Rods - Chevy BBC 454

Sale

I Beam Race 6.800" 2.200" .990" Bronze Bush 4340 Connecting Rods - Chevy BBC 454

Vendor:
Speedmaster

Regular price $372.30 USD

Regular price ~~$437.90 USD~~ Sale price $372.30 USD

Sale
I Beam Race 6.700" 2.200" .990" Bronze Bush 4340 Connecting Rods - Chevy BBC 454

Sale

I Beam Race 6.700" 2.200" .990" Bronze Bush 4340 Connecting Rods - Chevy BBC 454

Vendor:
Speedmaster

Regular price $372.20 USD

Regular price ~~$437.80 USD~~ Sale price $372.20 USD

Sale
I Beam Race 6.535" 2.200" .990" Bronze Bush 4340 Connecting Rods - Chevy BBC 454

Sale

I Beam Race 6.535" 2.200" .990" Bronze Bush 4340 Connecting Rods - Chevy BBC 454

Vendor:
Speedmaster

Regular price $372.20 USD

Regular price ~~$437.80 USD~~ Sale price $372.20 USD

Sale
I Beam Race 6.385" 2.200" .990" Bronze Bush 4340 Connecting Rods - Chevy BBC 454

Sale

I Beam Race 6.385" 2.200" .990" Bronze Bush 4340 Connecting Rods - Chevy BBC 454

Vendor:
Speedmaster

Regular price $390.30 USD

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

Sale
I Beam Race 6.135" 2.200" .990" Bronze Bush 4340 Connecting Rods - Chevy BBC 454

Sale

I Beam Race 6.135" 2.200" .990" Bronze Bush 4340 Connecting Rods - Chevy BBC 454

Vendor:
Speedmaster

Regular price $390.30 USD

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

Sale
I Beam Race 5.956" 2.310" .912" Bronze Bush 4340 Connecting Rods - Ford 351W

Sale

I Beam Race 5.956" 2.310" .912" Bronze Bush 4340 Connecting Rods - Ford 351W

Vendor:
Speedmaster

Regular price $401.70 USD

Regular price ~~$446.30 USD~~ Sale price $401.70 USD

Sale
I Beam Race 5.315" 2.123" .912" Bronze Bush 4340 Connecting Rods LW - Ford 302

I Beam Race 5.315" 2.123" .912" Bronze Bush 4340 Connecting Rods LW - Ford 302

Vendor:
Speedmaster

Regular price $446.30 USD

Regular price Sale price $446.30 USD
I Beam Race 5.315" 2.123" .912" Bronze Bush 4340 Connecting Rods - Ford 302

Sale

I Beam Race 5.315" 2.123" .912" Bronze Bush 4340 Connecting Rods - Ford 302

Vendor:
Speedmaster

Regular price $379.40 USD

Regular price ~~$446.30 USD~~ Sale price $379.40 USD

Sale
I Beam Race 5.090" 2.123" .912" Bronze Bush 4340 Connecting Rods - Ford 302

Sale

I Beam Race 5.090" 2.123" .912" Bronze Bush 4340 Connecting Rods - Ford 302

Vendor:
Speedmaster

Regular price $352.40 USD

Regular price ~~$414.50 USD~~ Sale price $352.40 USD

Sale
I Beam Race 6.125" 2.100" .927" Bronze Bush 4340 Connecting Rods LW Chevy SBC

I Beam Race 6.125" 2.100" .927" Bronze Bush 4340 Connecting Rods LW Chevy SBC

Vendor:
Speedmaster

Regular price $446.30 USD

Regular price Sale price $446.30 USD
I Beam Race 6.125" 2.100" .927" Bronze Bush 4340 Connecting Rods - Chevy SBC 350

I Beam Race 6.125" 2.100" .927" Bronze Bush 4340 Connecting Rods - Chevy SBC 350

Vendor:
Speedmaster

Regular price $437.90 USD

Regular price Sale price $437.90 USD
I Beam Race 6.100" 2.100" .927" Bronze Bush 4340 Connecting Rods Suits: Chevy LS

Sale

I Beam Race 6.100" 2.100" .927" Bronze Bush 4340 Connecting Rods Suits: Chevy LS

Vendor:
Speedmaster

Regular price $382.93 USD

Regular price ~~$450.50 USD~~ Sale price $382.93 USD

Sale
I Beam Race 6.000" 2.100" .927" Bronze Bush 4340 Connecting Rods - Chevy SBC 350

I Beam Race 6.000" 2.100" .927" Bronze Bush 4340 Connecting Rods - Chevy SBC 350

Vendor:
Speedmaster

Regular price $414.50 USD

Regular price Sale price $414.50 USD
I Beam Race 5.950" 2.100" .927" Bronze Bush 4340 Connecting Rods - Chevy SBC 350

I Beam Race 5.950" 2.100" .927" Bronze Bush 4340 Connecting Rods - Chevy SBC 350

Vendor:
Speedmaster

Regular price $942.47 USD

Regular price ~~$414.50 USD~~ Sale price $942.47 USD
I Beam Race 6.000" 2.000" .927" Bronze Bush 4340 Connecting Rods - Chevy SBC 350

Sale

I Beam Race 6.000" 2.000" .927" Bronze Bush 4340 Connecting Rods - Chevy SBC 350

Vendor:
Speedmaster

Regular price $372.90 USD

Regular price ~~$414.50 USD~~ Sale price $372.90 USD

Sale
I Beam Race 5.700" 2.100" .927" Bronze Bush 4340 Connecting Rods - Chevy SBC 350

Sale

I Beam Race 5.700" 2.100" .927" Bronze Bush 4340 Connecting Rods - Chevy SBC 350

Vendor:
Speedmaster

Regular price $352.40 USD

Regular price ~~$414.50 USD~~ Sale price $352.40 USD

Sale
I Beam Race 5.700" 2.000" .927" Bronze Bush 4340 Connecting Rods - Chevy SBC 350

I Beam Race 5.700" 2.000" .927" Bronze Bush 4340 Connecting Rods - Chevy SBC 350

Vendor:
Speedmaster

Regular price $434.00 USD

Regular price Sale price $434.00 USD
H Beam 6.657" 2.086" .866" Bronze Bush 4340 Connecting Rods (Suits: Ford 5.4L)

H Beam 6.657" 2.086" .866" Bronze Bush 4340 Connecting Rods (Suits: Ford 5.4L)

Vendor:
Speedmaster

Regular price $464.50 USD

Regular price Sale price $464.50 USD
H Beam 5.850" 2.000" .867" Bronze Bush 4340 Connecting Rods (Suits: Ford 4.6L)

H Beam 5.850" 2.000" .867" Bronze Bush 4340 Connecting Rods (Suits: Ford 4.6L)

Vendor:
Speedmaster

Regular price $438.00 USD

Regular price Sale price $438.00 USD
H Beam 6.735" 2.499" .98" Bronze Bush 4340 Connecting Rod Oldsmobile 400 425 455

Sale

H Beam 6.735" 2.499" .98" Bronze Bush 4340 Connecting Rod Oldsmobile 400 425 455

Vendor:
Speedmaster

Regular price $413.20 USD

Regular price ~~$459.10 USD~~ Sale price $413.20 USD

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

Sold out

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

Sold out
Ford 429 460 H-Beam 6.605" 2.500" 1.040" Bronze Bush 4340 Connecting Rods

Sold out

Ford 429 460 H-Beam 6.605" 2.500" 1.040" Bronze Bush 4340 Connecting Rods

Vendor:
Speedmaster

Regular price $394.00 USD

Regular price ~~$437.80 USD~~ Sale price $394.00 USD

Sold out
H Beam 6.800" 2.200" .990" Bronze Bush 4340 Connecting Rods Suits: Chevy BBC 454

Sale

H Beam 6.800" 2.200" .990" Bronze Bush 4340 Connecting Rods Suits: Chevy BBC 454

Vendor:
Speedmaster

Regular price $349.35 USD

Regular price ~~$411.00 USD~~ Sale price $349.35 USD

Sale

1
…
4
5
6
7
8
9

Join the WrenchIt Pit Crew

Email

Country/region

Search

Language

English
Español

Payment methods

© 2026, WrenchIt Powered by Shopify

Privacy policy
Refund policy
Terms of service
Contact information

Choosing a selection results in a full page refresh.
Opens in a new window.