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

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5060

Platinum Series Pistons - 4.350 -17 Dished
These pistons are a 4.350" bore -17cc DISHED piston which will work in either a 440 block with our 4.25" stroke and 7.100" rod "512CI" stroker combination, or in a 400 block with our 3.915" stroke and 6.535" rod "470CI" 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

5070

Platinum Series Pistons - 4.375 -17 Dished
These pistons are a 4.375" bore -17cc DISHED piston which will work in either a 440 block with our 4.25" stroke and 7.100" rod "512CI" stroker combination, or in a 400 block with our 3.915" stroke and 6.535" rod "470CI" 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

5071

Platinum Series Pistons - 4.350 -4 FT
These pistons are a 4.350" bore Flat Top piston which will work in either a 440 block with our 4.25" stroke and 7.100" rod "512CI" stroker combination, or in a 400 block with our 3.915" stroke and 6.535" rod "470CI" 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

5072

Platinum Series Pistons - 4.360 -4 FT
These pistons are a 4.360" bore Flat Top piston which will work in either a 440 block with our 4.25" stroke and 7.100" rod "512CI" stroker combination, or in a 400 block with our 3.915" stroke and 6.535" rod "470CI" 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

5073

Platinum Series Pistons - 4.375 -4 FT
These pistons are a 4.375" bore Flat Top piston which will work in either a 440 block with our 4.25" stroke and 7.100" rod "512CI" stroker combination, or in a 400 block with our 3.915" stroke and 6.535" rod "470CI" 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

5074

Platinum Series Pistons - 4.350 -27 Dished
These pistons are a 4.350" bore -27cc DISHED piston which will work in either a 440 block with our 4.25" stroke and 7.100" rod "512CI" stroker combination, or in a 400 block with our 3.915" stroke and 6.535" rod "470CI" 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

5075

Platinum Series Pistons - 4.360 -27 Dished
These pistons are a 4.360" bore -27cc DISHED piston which will work in either a 440 block with our 4.25" stroke and 7.100" rod "512CI" stroker combination, or in a 400 block with our 3.915" stroke and 6.535" rod "470CI" 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

5076

Platinum Series Pistons - 4.375 -27 Dished
These pistons are a 4.375" bore -27cc DISHED piston which will work in either a 440 block with our 4.25" stroke and 7.100" rod "512CI" stroker combination, or in a 400 block with our 3.915" stroke and 6.535" rod "470CI" 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

5076L

Single 5076 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

Platinum Series Pistons - 4.350 -17 Dished

In Stock

Platinum Series Pistons - 4.375 -17 Dished

In Stock

Platinum Series Pistons - 4.350 -4 FT

In Stock

Platinum Series Pistons - 4.360 -4 FT

In Stock

Platinum Series Pistons - 4.375 -4 FT

In Stock

Platinum Series Pistons - 4.350 -27 Dished

In Stock

Platinum Series Pistons - 4.360 -27 Dished

In Stock

Platinum Series Pistons - 4.375 -27 Dished

In Stock

Replacement Spiro-Lox for Platinum Series Pistons .990 Pin

In Stock

Single 5076 Piston - Left Exhaust

In Stock