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Speedmaster billet main caps improve reliability in highly stressed engines by reducing distortion of the main bearing bores
The "S" shape gap between inner and outer ring is press inserted with sulfated elastic rubber to ensure the damper will not disintegrate under any circumstance
Speedmaster LS dual 4-barrel
hard-starting engine
and TFX 2002 engines
Chevy SBC 383 ci 5.7" 4.060" 1.425" 0.927" Flat Top Hyper Pistons [Coated] Speedmaster billet main caps improve
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