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Part fits the following years:1978, 1979, 1980, 1981, 1982, 1983, 1984, 1985, 1986, 1987, 1988

1978-88 El Camino Transmission Kit, Muscle Car Small-Block/Big-Block TH400 HoleShot 2400 (Mild/Serious)

Part# CH4074

 

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SAVE: $162.96 Retail: $1,792.95

OPGI Price: $1,629.99

DISCOUNTED KIT

Part Type: (P) High Performance, designed to improve performance TH = Turbo Hydramantic shift transmissions
Years: Sold As: KIT
2017 El Camino Catalog Page: 227
2018 El Camino Catalog Page: 232


The most comprehensive kit available

Available for street and strip applications

  • NOTES
  • NOTE1: These products are high-performance and are not eligible for any further discounts or promotional pricing.
  • SHIP NOTE: This item cannot be shipped FedEx Ground and requires Truck Freight Delivery which must be prepaid by credit or check (no C.O.D). Please call or email us for an exact quote. more info

Original Parts Group has teamed up with B&M Transmissions to bring you one of the most comprehensive “Muscle Cartransmission kits on the market. We’ve combined a B&M high performance transmission and torque converter with all of the necessary components to complete the installation of your new transmission. Along with the new transmission and torque converter, you’ll receive new bellhousing bolts, ARP torque converter bolts, a Milodon stainless steel dipstick assembly and a heavy duty polyurethane transmission mount. All transmissions and torque converters are manufactured by B&M; a leader in high performance transmissions and accessories for over 50 years.

Features Street/Strip TH400 – 2.48 1st gear, 1.48 2nd gear and 1:1 3rd gear, rebuilt front pump utilizing B&M pressure regulator spring and shims, all new B&M high performance friction plates, thrust bearings and races, new intermediate roller clutch and kickdown band with welded anchors, machined center support with new case saver ring, new adjustable modulator and silencer ring, external electric connector and kickdown solenoid, recalibrated valve body. NOTE: TH-400 transmission is for use with large diameter 1-7/8” yoke HoleShot Torque Converters – Furnace brazed impeller, new precision steel alloy pump drive tube, new heavy duty needle bearing between stator and impeller, needle bearing between stator and turbine, new turbine hub, new springs and rollers in stator, pressure tested and fully balanced. NOTE: 2000 and 2400 HoleShot converters require a 10-3/4” bolt circle or dual pattern flexplate for proper mounting

Make & ModelYear RangeApplication Details
Buick Grand National1978-1987 TH400 HoleShot 2400 (Mild/Serious)
Buick Regal1978-1987 TH400 HoleShot 2400 (Mild/Serious)
Buick T-Type1978-1987 TH400 HoleShot 2400 (Mild/Serious)
Chevrolet Chevelle1964-1977 TH400 HoleShot 2400 (Mild/Serious)
Chevrolet El Camino1964-1977 TH400 HoleShot 2400 (Mild/Serious)
Chevrolet El Camino1978-1988 TH400 HoleShot 2400 (Mild/Serious)
Chevrolet Malibu1978-1988 TH400 HoleShot 2400 (Mild/Serious)
Chevrolet Monte Carlo1970-1977 (TH400 Holeshot 2400) Mild Performance/Serious Performance
Chevrolet Monte Carlo1978-1988 TH400 HoleShot 2400 (Mild/Serious)
California Prop 65 Icon WARNING: This product can expose you to chemicals including lead, sulfur, nickel, chromium, vanadium, titanium, polyvinyl chloride, and 4,4’-methylenebis (2-chloroaniline), which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.
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