Pistons for 4.25" Stroke (512CI)-store.440source.com

ACCOUNT INFO

/ //

Image

Item #

Description

Price

5057

Platinum Series Pistons - 4.375 -24 Dished
These pistons are a 4.375" bore -24cc DISHED piston which will work in either a 440 block with our 4.500" stroke and 7.100" rod "543CI" stroker combination, or in a 400 block with either our 4.25" stroke and 6.535" rod "512CI" stroker combination, or our 3.75" stroke and 6.76" rod "451CI" stroker combination. The compression ratios and distance below deck will change slightly depending on which stroker combination you are using these pistons with. Click on the part to see our table with detailed compression ratios. All our platinum pistons use 1/16, 1/16, 3/16 ring pack for less frictional loss, and weight saving, full floating .990 pin size.

In Stock

5067

Platinum Series Pistons - 4.375 -12 Dished
These pistons are a 4.375" bore -12cc DISHED piston which will work in either a 440 block with our 4.500" stroke and 7.100" rod "543CI" stroker combination, or in a 400 block with either our 4.25" stroke and 6.535" rod "512CI" stroker combination, or our 3.75" stroke and 6.76" rod "451CI" stroker combination. All our platinum pistons use 1/16, 1/16, 3/16 ring pack for less frictional loss, and weight saving, full floating .990 pin size. The compression ratios and distance below deck will change slightly depending on which stroker combination you are using these pistons with. See our stroker kits page for more details.

In Stock

5068

Platinum Series Pistons - 4.382 -12 Dished
These pistons are a 4.382" bore -12cc DISHED piston which will work in either a 440 block with our 4.500" stroke and 7.100" rod "543CI" stroker combination, or in a 400 block with either our 4.25" stroke and 6.535" rod "512CI" stroker combination, or our 3.75" stroke and 6.76" rod "451CI" stroker combination. All our platinum pistons use 1/16, 1/16, 3/16 ring pack for less frictional loss, and weight saving, full floating .990 pin size. The compression ratios and distance below deck will change slightly depending on which stroker combination you are using these pistons with. See our stroker kits page for more details.

In Stock

7000

Platinum Series Pistons - 4.375 +14 Domed
These pistons are a 4.375" bore +14cc DOMED piston which will work in either a 440 block with our 4.500" stroke and 7.100" rod "543CI" stroker combination, or in a 400 block with either our 4.25" stroke and 6.535" rod "512CI" stroker combination, or our 3.75" stroke and 6.76" rod "451CI" stroker combination. The compression ratios and distance below deck will change slightly depending on which stroker combination you are using these pistons with. Click on the part to see our table with detailed compression ratios. All our platinum pistons use 1/16, 1/16, 3/16 ring pack for less frictional loss, and weight saving, full floating .990 pin size.

In Stock

126-1000

Replacement Spiro-Lox for Platinum Series Pistons .990 Pin
Our replacement Spiro-Lox are great for teardowns, replacement, etc. Reusing old spirolox is not recommended.

In Stock

5056R

Single 5056 Piston - Right Exhaust
We also sell single pistons for service replacement purposes. Includes pin and locks. Left hand exhaust pistons are used in cylinders #1, 5, 4, and 8. Right hand exhaust pistons are used in cylinders #2, 6, 3, and 7.

In Stock

5058L

Single 5058 Piston - Left Exhaust
We also sell single pistons for service replacement purposes. Includes pin and locks. Left hand exhaust pistons are used in cylinders #1, 5, 4, and 8. Right hand exhaust pistons are used in cylinders #2, 6, 3, and 7.

In Stock

5055R

Single 5055 Piston - Right Exhaust
We also sell single pistons for service replacement purposes. Includes pin and locks. Left hand exhaust pistons are used in cylinders #1, 5, 4, and 8. Right hand exhaust pistons are used in cylinders #2, 6, 3, and 7.

In Stock

Platinum Series Pistons - 4.375 -24 Dished

In Stock

Platinum Series Pistons - 4.375 -12 Dished

In Stock

Platinum Series Pistons - 4.382 -12 Dished

In Stock

Platinum Series Pistons - 4.375 +14 Domed

In Stock

Replacement Spiro-Lox for Platinum Series Pistons .990 Pin

In Stock

Single 5056 Piston - Right Exhaust

In Stock

Single 5058 Piston - Left Exhaust

In Stock

Single 5055 Piston - Right Exhaust

In Stock