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B&M Shift Improver Kit, GM TH350 Transmissions 30262

B&M Shift Improver Kit, GM TH350 Transmissions 30262
B&M Shift Improver Kit, GM TH350 Transmissions 30262
$95.99 ea
NEWARRIVING SOONEstimated Ship Date 01/07/2025 (If Ordered Today)100 Available from HOLLEY PERFORMANCE PRODUCTS as of 12/21/2024
Model: 2038494
IMPORTANT: Electrical items are covered by a 30 day EXCHANGE ONLY WARRANTY. There are no returns or refunds on such items.
Select a Vehicle or refer to the Vehicle Fitment Tab below to verify that this part fits your vehicle.
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The B&M® Shift Improver kits™ feature two options to recalibrating your 1968-1981 GM TH350 automatic transmissions. First is the HEAVY DUTY set-up, giving you firm positive shifts without loss of driver comfort for improved performance in all street vehicles. This is a great option for performance street driving or towing. The second is our STREET/STRIP set-up. Be warned, this will deliver firm positive shifts you will feel, along with easily chirping the tires when shifting somewhat aggressively. This setting is recommend for high performance street/strip use, or for competitive events when you want the hardest, quickest shifts possible from a shift improver kit. Note: Does not fit GM TH350C with lock-up. Use part# 30235 for TH350C transmissions.
Features:
  • For Stock or Modified Automatic Transmissions
  • Perfect for RV, Towing or Street/Strip Use
  • Eliminates Soft and Sluggish Shifts
  • Over 65 Years of B&M Quality
  • Eliminates Shift Overlap
  • Provides Crisp Shifts
  • Easy Installation
Fits 1968-1981 GM TH350 and M38 automatic transmissions. Does not fit TH350C lockup (use part# 30235 for TH350C)
Installation Notes:
Fits 1968-1981 GM TH350 and M38 automatic transmissions. Does not fit TH350C lockup (use part# 30235 for TH350C)

About B&M Racing

B&M® specializes in performance automatic transmissions, torque converters, SFI approved flexplates, legendary automatic shifters, precision manual shifters, and many other transmission products including cast deep aluminum transmission pans, transmission coolers, and automatic transmission fluid. B&M Performance & Off-Road has been at the vanguard of the growing automotive aftermarket since the early 1950s. Racers themselves, B&M’s founders identified the needs of local performance enthusiasts and developed products to fill those needs. B&M specializes in performance automatic transmissions, torque converters, SFI approved flexplates, legendary automatic shifters, precision manual shifters, automatic shift handles, extended transfer case handles, cast deep aluminum transmission pans, differential covers, transmission coolers, power steering coolers, automatic transmission fluid, and transmission accessories for performance street, truck, Jeep, and off-road applications.

Downloads:

Download Name File Size
bm_warranty.pdf87.47KB
30262_instructions.pdf3.37MB

Videos:

Vehicle Fitment:

The Vehicle Fitment Guide is to be used as a general reference. The data has been provided by our suppliers and manufacturers and may contain errors or incorrect data. Always refer to a professional to verify correct fitment for your vehicle.
Make Model Years Engine Fitment Notes
Buick Skylark 1969 5.7L / 350 / V8 For TH-350 Transmission
Buick Skylark 1970 5.7L / 350 / V8 For TH-350 Transmission
Buick Skylark 1971 5.7L / 350 / V8 For TH-350 Transmission
Buick Skylark 1972 5.7L / 350 / V8 For TH-350 Transmission
Buick Skylark 1975 5.7L / 350 / V8 For TH-350 Transmission
Buick Skylark 1976 5.7L / 350 / V8 For TH-350 Transmission
Buick Skylark 1977 5.7L / 350 / V8 For TH-350 Transmission
Buick Skylark 1978 5.7L / 350 / V8 For TH-350 Transmission
Buick Skylark 1979 5.7L / 350 / V8 For TH-350 Transmission
Buick Special 1969 5.7L / 350 / V8 For TH-350 Transmission
Buick Sportwagon 1968 5.7L / 350 / V8 For TH-350 Transmission
Buick Sportwagon 1969 5.7L / 350 / V8 For TH-350 Transmission
Buick Sportwagon 1970 5.7L / 350 / V8 For TH-350 Transmission
Buick Sportwagon 1971 5.7L / 350 / V8 For TH-350 Transmission
Buick Sportwagon 1972 5.7L / 350 / V8 For TH-350 Transmission
Chevrolet Chevelle 1970 5.7L / 350 / V8 For TH-350 Transmission
Chevrolet Chevelle 1971 5.7L / 350 / V8 For TH-350 Transmission
Chevrolet Chevelle 1972 5.7L / 350 / V8 For TH-350 Transmission
Chevrolet El Camino 1969 5.7L / 350 / V8 For TH-350 Transmission
Chevrolet El Camino 1970 5.7L / 350 / V8 For TH-350 Transmission
Chevrolet El Camino 1971 5.7L / 350 / V8 For TH-350 Transmission
Chevrolet El Camino 1972 5.7L / 350 / V8 For TH-350 Transmission
Chevrolet El Camino 1973 5.7L / 350 / V8 For TH-350 Transmission
Chevrolet El Camino 1974 5.7L / 350 / V8 For TH-350 Transmission
Chevrolet El Camino 1975 5.7L / 350 / V8 For TH-350 Transmission
Chevrolet El Camino 1976 5.7L / 350 / V8 For TH-350 Transmission
Chevrolet El Camino 1977 5.7L / 350 / V8 For TH-350 Transmission
Chevrolet El Camino 1978 5.7L / 350 / V8 For TH-350 Transmission
Chevrolet El Camino 1979 5.7L / 350 / V8 For TH-350 Transmission
Chevrolet El Camino 1980 5.0L / 305 / V8 For TH-350 Transmission
Chevrolet Laguna 1975 5.7L / 350 / V8 For TH-350 Transmission
Chevrolet Laguna 1976 5.7L / 350 / V8 For TH-350 Transmission
Chevrolet Malibu 1973 5.0L / 307 / V8 For TH-350 Transmission
Chevrolet Malibu 1974 7.4L / 454 / V8 For TH-350 Transmission
Chevrolet Malibu 1975 5.7L / 350 / V8 For TH-350 Transmission
Chevrolet Malibu 1976 5.0L / 305 / V8 For TH-350 Transmission
Chevrolet Malibu 1977 5.0L / 305 / V8 For TH-350 Transmission
Chevrolet Malibu 1978 5.7L / 350 / V8 For TH-350 Transmission
Chevrolet Malibu 1979 5.7L / 350 / V8 For TH-350 Transmission
Chevrolet Malibu 1980 5.7L / 350 / V8 For TH-350 Transmission
Oldsmobile Cutlass 1968 For TH-350 Transmission
Oldsmobile Cutlass 1969 For TH-350 Transmission
Oldsmobile Cutlass 1970 For TH-350 Transmission
Oldsmobile Cutlass 1971 For TH-350 Transmission
Oldsmobile Cutlass 1972 For TH-350 Transmission
Oldsmobile Cutlass 1973 For TH-350 Transmission
Oldsmobile Cutlass 1974 For TH-350 Transmission
Oldsmobile Cutlass 1975 For TH-350 Transmission
Oldsmobile Cutlass 1976 For TH-350 Transmission
Oldsmobile Cutlass 1977 For TH-350 Transmission
Oldsmobile Cutlass 1978 For TH-350 Transmission
Oldsmobile Cutlass 1979 For TH-350 Transmission
Oldsmobile Cutlass 1980 For TH-350 Transmission
Oldsmobile Cutlass 1981 For TH-350 Transmission
Oldsmobile F85 1968 For TH-350 Transmission
Oldsmobile F85 1969 For TH-350 Transmission
Oldsmobile F85 1970 For TH-350 Transmission
Oldsmobile F85 1971 For TH-350 Transmission
Oldsmobile F85 1972 For TH-350 Transmission
Oldsmobile Vista Cruiser 1970 For TH-350 Transmission
Oldsmobile Vista Cruiser 1971 For TH-350 Transmission
Oldsmobile Vista Cruiser 1972 For TH-350 Transmission
Oldsmobile Vista Cruiser 1973 For TH-350 Transmission
Oldsmobile Vista Cruiser 1974 For TH-350 Transmission
Oldsmobile Vista Cruiser 1975 For TH-350 Transmission
Pontiac Grand Prix 1976 For TH-350 Transmission
Pontiac Grand Prix 1977 For TH-350 Transmission
Pontiac Grand Prix 1978 For TH-350 Transmission
Pontiac Grand Prix 1979 For TH-350 Transmission
Pontiac Grand Prix 1980 For TH-350 Transmission
Pontiac LeMans 1968 For TH-350 Transmission
Pontiac LeMans 1969 For TH-350 Transmission
Pontiac LeMans 1970 For TH-350 Transmission
Pontiac LeMans 1971 For TH-350 Transmission
Pontiac LeMans 1972 For TH-350 Transmission
Pontiac LeMans 1973 For TH-350 Transmission
Pontiac LeMans 1974 For TH-350 Transmission
Pontiac LeMans 1975 For TH-350 Transmission
Pontiac LeMans 1976 For TH-350 Transmission
Pontiac LeMans 1977 For TH-350 Transmission
Pontiac LeMans 1978 For TH-350 Transmission
Pontiac LeMans 1979 For TH-350 Transmission
Pontiac LeMans 1980 For TH-350 Transmission
Pontiac Tempest 1968 For TH-350 Transmission
Pontiac Tempest 1969 For TH-350 Transmission
Pontiac Tempest 1970 For TH-350 Transmission

Specifications:

Automotive Item Grade High Performance
California Proposition 65 Chemical Name Cadmium and cadmium compounds
California Proposition 65 Required Yes
Emission Code 5
Gasket Included Yes
Instructions Included Yes
Part Type Automatic Transmission Shift Kit
Product Type Automatic Transmission Valve Body Kit
Proposition 65 www.P65Warnings.ca.gov
Warranty Time 12 Months

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