6020-4155 400 Small Block Oldsmobile FX Series -12cc Flat Top Oldsmobile Forged Piston Set 4.155 inch bore Pin Dia.: 0.98" Comp Height: 1.625" Piston Series Option:FX-1 4032 Alloy 93 NOTE: Most FE‑series OEM

Name: 6020-4155 400 Small Block Oldsmobile FX Series -12cc Flat Top Oldsmobile Forged Piston Set 4.155 inch bore Pin Dia.: 0.98" Comp Height: 1.625" Piston Series Option:FX-1 4032 Alloy 93 NOTE: Most FE‑series OEM
Brand: www.rasophiles.fr
SKU: 39058373846
Price: 374.98 USD
Availability: InStock
Rating: 4.2295 (28 reviews)

SKU: 39058373846

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USD374.98 USD421.98

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Description

93 NOTE: Most FE‑series OEM connecting rods require narrowing at the pin end to achieve proper side clearance within the 2

483 Pontiac Late

473 Pontiac Late

41 Effective June 15th 2026

6020-4155 400 Small Block Oldsmobile FX Series -12cc Flat Top Oldsmobile Forged Piston Set 4.155 inch bore Pin Dia.: 0.98" Comp Height: 1.625" Piston Series Option:FX-1 4032 Alloy 93 NOTE: Most FE‑series OEM431 Small Block Oldsmobile, FX, Comp Height: 1. 625, 12cc Flat Top , PIN: . 98", Full Floating or Press Fit, Ring Groove: 1. 2 1. 2 3MM, Stroke: 3. 975", ROD: 7, Approx Comp Ratio: 64cc 11. 4, 68cc 10. 94, 70cc 10. 71 Effective June 15th 2026, These Oldsmobile ring grooves have been updated to the new specifications of 1. 2 1. 2 3mm. Parts manufactured prior to this date feature ring grooves with dimensions of 1 16 1 16 3 16.

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