Home > 1969 > 1969 - 1970 Firebird Muncie Four Speed Transmission, M-21
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Description   1969 - 1970 Firebird Muncie Four Speed Transmission, M-21 Complete original GM Muncie M-21 4-Speed Transmission for your Firebird or Trans Am. Professionally rebuilt and guaranteed for 1 year. If you want to race or speed shift a transmission at 6000 RPMs, DON'T BUY A Muncie. For Street Applications they are perfect. Don't forget to choose your year model needed from the drop down menu. Both feature a 2.20 first gear, 70 trans will have side cover for TCS switch. *Please double check your clutch and pressure plate set to match below 69-70 M-21 ~ Input Shaft = 1 Grooves with Coarse 10 Spline Count and 27 Spline Tail Shaft 1969 Main Case = 3925660 1970 Main Case = 3925661 ***Note: This Transmission is shipped factory direct. Shipping charges will apply for all in-store pickups and show deliveries. PART NUMBER: TRA-618 Other great products you might need 1969 Firebird Hurst 4 Speed Shifter Linkage Install Kit 1970 - 1972 Firebird Hurst Competion Plus Four Speed Shifter Assembly 1969 Firebird Replacement Hurst 4 Speed Linkage and Shifter Mounting Kit 1968 - 1969 Firebird Hurst Four Speed Shifter Assembly, Round Handle Reproduction Our Price: $144.95 Add Our Price: $512.95 Add Our Price: $298.95 Add Our Price: $549.95 Add 1968 - 1969 Firebird Hurst Four Speed Shifter Assembly, Square Handle 1970 - 1972 Firebird Shifter Linkage Install and Mounting Kit - Hurst Style for Muncie Our Price: $512.95 Add Our Price: $313.95 Add

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