Description
High performance street/strip, needs 9:1 compression, 2500+ stall, intake, gears and headers, rough idle.
Resources
Installation Instructions
Specifications:
| Description_ASM | Fits 1967+ Oldsmobile 260, 307, 350, 403, 400, 425 and 455 V8 |
| Description_DEF | Engine Camshaft |
| Description_DES | Mutha’ Thumpr 235/249 Hydraulic Roller Cam for Oldsmobile 260-455 |
| Description_EXT | High performance street/strip, needs 9:1 compression, 2500+ stall, intake, gears and headers, rough idle. |
| Description_INV | M-Thmpr 235/249 H-Rlr Cam Olds 260-455 |
| Description_KEY | 260 |
| Description_KEY | 307 |
| Description_KEY | 350 |
| Description_KEY | 400 |
| Description_KEY | 403 |
| Description_KEY | 425 |
| Description_KEY | 442 |
| Description_KEY | 455 |
| Description_KEY | 88 |
| Description_KEY | 98 |
| Description_KEY | Calais |
| Description_KEY | Ciera |
| Description_KEY | Custom Cruiser |
| Description_KEY | Cutlass |
| Description_KEY | Cutlass Supreme |
| Description_KEY | Delta 88 |
| Description_KEY | Firenza |
| Description_KEY | Olds |
| Description_KEY | Oldsmobile |
| Description_KEY | Rocket |
| Description_KEY | Rocket 88 |
| Description_KEY | Starfire |
| Description_KEY | Vista Cruiser |
| Description_SHO | MT 235/249 HRlr Olds |
| Description_SHP | None |
| height | 2.75 |
| length | 24.5 |
| LTL | N |
| weight | 9.98 |
| width | 3.0 |
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